Ae *
Ai
An *
Ar
B
Ca * Cd
Ci * Co
D * E
F * G
H
Ia
* Ii
J * K
L * M
Na * Nh
O
P * Q
R
Sa * Si
T * U
V * W
X * Y
Z
Ae *
Ai
An *
Ar
B
Ca * Cd
Ci * Co
D * E
F * G
H
Ia
* Ii
J * K
L * M
Na * Nh
O
P * Q
R
Sa * Si
T * U
V * W
X * Y
Z
Ae *
Ai
An *
Ar
B
Ca * Cd
Ci * Co
D * E
F * G
H
Ia
* Ii
J * K
L * M
Na * Nh
O
P * Q
R
Sa * Si
T * U
V * W
X * Y
Z
Ae *
Ai
An *
Ar
B
Ca * Cd
Ci * Co
D * E
F * G
H
Ia
* Ii
J * K
L * M
Na * Nh
O
P * Q
R
Sa * Si
T * U
V * W
X * Y
Z
Ae *
Ai
An *
Ar
B
Ca * Cd
Ci * Co
D * E
F * G
H
Ia
* Ii
J * K
L * M
Na * Nh
O
P * Q
R
Sa * Si
T * U
V * W
X * Y
Z
|
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- IIBR
- Israel Institute for Biological Research
- IIC
- Issues in Interdisciplinary Care [periodical / périodique]
- IICAB
- Institute for International Cooperation in Animal Biologics
- IIEM
- International Impotence Education Month.
- IIFS
- International Institute of Forensic Science
- IIH
- Institute of International Health
- IIIM
- International Institute of Islamic Medicine
- IIP
- International Institute of Parasitology
- IITS
- International Intradiscal Therapy Society
- IIVTG
- Industrial In Vitro Toxicology Group
- IJA
- International Journal of Audiology
- IJAHSP
- Internet Journal of Allied Health Sciences and Practice
- IJAO
- International Journal of Artificial Organs
- IJAPA
- Internet Journal of Academic Physician Assistants
- IJC
- International Journal of Cancer
- IJC
- International Journal of Cardiology
- IJCEH
- International Journal of Clinical & Experimental Hypnosis
- IJCP
- International Journal of Clinical Practice
- IJD
- International Journal of Dermatology
- IJDA
- International Journal of Dental Anthropology
- IJDH
- International Journal for Disability and Oral Health
- IJEHR
- International Journal of Environmental Health Research
- IJG
- Indian Journal of Gastroenterology
- IJGC
- International Journal of Gastrointestinal Cancer
- IJGP
- International Journal of Gynecological Pathology
- IJHC
- International Journal for Human Caring
- IJHP
- Internet Journal of Health Promotion
- IJID
- International Journal of Infectious Diseases
- IJMI
- International Journal of Medical Informatics
- IJMS
- Irish Journal of Medical Science
- IJMS
- International Journal of Molecular Sciences
- IJNP
- International Journal of Nursing Practice
- IJO
- International Journal of Orthodontics
- IJOMS
- International Journal of Oral and Maxillofacial Surgery
- IJOMS
- International Journal of Oral-Medical Sciences
- IJP
- International Journal of Psychoanalysis
- IJPC
- International Journal of Pharmaceutical Compounding
- IJPHE
- Internet Journal of Public Health Education
- IJPM
- International Journal of Psychiatry in Medicine
- IJPN
- International Journal of Palliative Nursing
- IJPPP
- International Journal of Psychopathology, Psychopharmacology, and Psychotherapy
- IJPSP
- International Journal of Psychoanalytic Self Psychology
- IJRI
- Indian Journal of Radiology and Imaging
- IJROBP
- International Journal of Radiation Oncology, Biology, Physics
- IJSB
- International Journal of Systemic Bacteriology
- IJSEM
- International Journal of Systematic and Evolutionary Microbiology
- IJSNEM
- International Journal of Sport Nutrition and Exercise Metabolism
- IJSP
- International Journal of Social Psychiatry
- IJT
- International Journal of Transgenderism
- IJTN
- International Journal of Trauma Nursing
- ILAIMH
- Illinois Association for Infant Mental Health
- ILAR
- Institute for Laboratory Animal Research
- ILCA
- International Lactation Consultant Association
- ILDS
- International League of Dermatological Societies
- ILIAD
- International Lookout for Infectious Animal Disease
- ILN
- Illinois League for Nursing
- ILSA
- International Lung Sounds Association
- ILSI
- International Life Sciences Institute
- ILSI HESI
- ILSI Health and Environmental Sciences Institute
- ILSI HNI
- ILSI Human Nutrition Institute
- IM
- Index Medicus
- IM
- Internal Medicine [periodical / périodique]
- IM
- Internet Medicine [periodical / périodique]
- IMA / AIM
- Index Medicus Africain / African Index Medicus
- IMA
- Indian Medical Association
- IMA
- International Monovision Association
- IMA
- International Mycological Association
- IMA
- Islamic Medical Association of South Africa
- IMAGE
- Integrated Molecular Analysis of Genomes and their Expression
- IMANA
- Islamic Medical Association of North America
- IMASA
- Islamic Medical Association of South Africa
- IMB
- Irish Medicines Board
- IMC
- Indian Medlars Centre
- IMC
- Integrated Medical Curriculum
- IMC
- International Medical Corps
- IMDN
- International Mitochondrial Disease Network
- IMEMR
- Index Medicus for WHO Eastern Mediterranean Region
- IMF
- International Myeloma Foundation
- IMGT
- ImMunoGeneTics database
- IMHA
- International Maritime Health Association
- IMHI
- Institute for Mental Health Initiatives
- IMI
- Institute for Molecular Imaging
- IMI
- Institute of Medical Illustrators
- IMI
- International Medical Implant
- IMIA
- International Medical Informatics Association
- IMIA
- International Medical Interpreters Association
- IMIA NI
- International Medical Informatics Association Nursing Informatics Special Interest Group
- IMIM
- Institut Municipal d'Investigació Médica
- IMJ
- International Medical Journal
- IML
- International Medical Libraries Ring
- IMM
- Institute for Molecular Manufacturing
- IMM
- Institute of Molecular Medicine
- IMMI
- Index of Medieval Medical Images in North America
- IMMS
- International Meeting on Medical Simulation
- IMPT
- Institute of Maxillofacial Prosthetists & Technologists
- IMRSA
- International Medical Regulatory and Shipping Association
- IMS / WIS
- Institut Mondial des Sciences / World Institute of Science
- IMS
- International Menopause Society
- IMS
- International Myopain Society
- IMSEAR
- Index Medicus for South-East Asia Region
- IMSOP
- International Medical Society of Paraplegia
- IMT
- Institute for Molecular Technologies
- IMT / ITG / ITM
- Institut de Médecine Tropicale d'Anvers / Instituut voor Tropische Geneeskunde Antwerpen / Institute of Tropical Medicine Antwerp
- IMTR
- International Musculoskeletal Tumor Registry
- IMVA
- International Medical Volunteers Association
- INA
- Idaho Nurses Association
- INA
- Illinois Nurses Association
- INA
- Iowa Nurses' Association
- INACG
- International Nutritional Anemia Consultative Group
- INAHTA
- International Network of Agencies for Health Technology Assessment
- INAMI / RIZIV
- Institut national d'assurance maladie-invalidité / Rijksinstituut voor ziekte- en invaliditeitsverzekering
- INANE
- International Academy of Nursing Editors
- INAS
- Institut National D'Administration Sanitaire
- INASP
- International Network for the Availability of Scientific Publications. Réseau international pour l'accès à l'information scientifique
- INC
- Instituto Nacional de Consumo
- INCA / CNIB
- Institut National Canadien pour les Aveugles / Canadian National Institute for the Blind
- INCa
- Institut National du Cancer
- INCB / OICS / JIFE
- International Narcotics Control Board / Organe International de Contrôle des Stupéfiants / Junta Internacional de Fiscalización de Estupefacientes
- INCC / NCIC
- Institut national du cancer du Canada / National Cancer Institute of Canada
- INCHES
- International Research and Information Network on Children's Health Environment and Safety
- INCIID
- InterNational Council on Infertility Information Dissemination
- INCLEN
- International Clinical Epidemiologiy Network
- INCMCE
- International Nursing Coalition for Mass Casualty Edcuation
- IND
- International Nomenclature of Diseases (WHO)
- INDI
- Irish Nutrition & Dietetic Institute
- INDIE
- Integrated Network of Disability Information and Education / Info-route sur la Déficience vers l'Intégration et l'Éducation
- IndMED
- Bibliographic database of Indian biomedical journals
- INED
- Institut National d'Études Démographiques
- INERIS
- Institut National de l'Environnement Industriel et des Risques
- INF
- International Neuroendocrine Federation
- INFCI
- Institut National de Formation Continue des Infirmières
- INHPH
- International Network for the History of Public Health
- INI
- International Nursing Index
- INIA
- International Institute on Ageing
- INIST
- Institut de l'Information Scientifique et Technique
- INJO
- InterNet Journal of Ophthalmology
- INMC
- International Nursing Management Conference
- INNS
- International Neural Network Society
- INO
- Irish Nurses Organisation
- INP/APNN
- International Nurse Practitioner / Advanced Practice Nursing Network
- INPES
- Institut National de Prévention et d'Éducation pour la Santé
- INPEX
- Information Nouveautés Pharmaceutiques
- INPHO
- Information Network for Public Health Officials
- INPR
- International Network on Personal Relationships
- INPT
- Inpatient Obstetric Nursing
- INRS
- Institut National de Recherche et de Sécurité pour la prévention des accidents du travail et des maladies professionnelles
- INS
- International Neuropsychological Society
- INS
- Infusion Nurses Society
- INSERM
- Institut National de la Santé et de la Recherche Médicale. French Institute of Health and Medical Research
- INSPA / NICE
- Initiative nationale pour le soin des personnes âgées / National Initiative for the Care of the Elderly
- INSPIRAPLEX
- Respiratory Health Network of Centres of Excellence. Réseau des Centres d'Excellence en Santé Respiratoire
- INSPQ
- Institut national de santé publique du Québec
- IntNSA
- International Nurses Society on Addictions [formerly NNSA]
- INTRAH
- International Training in Health
- InVS
- Institut de Veille Sanitaire. National Institute for Public Health Surveillance.
- IOA
- Illinois Optometric Association
- IOA
- Indiana Optometric Association
- IOA
- Indonesian Orthopaedic Association
- IOA
- Iowa Optometric Association
- IOA
- International Ostomy Association
- IOB
- Institute of Biology
- IOCLP
- International Organization for Consultation-Liaison Psychiatry
- IODS
- Institute of Dermatology, Singapore
- IOFOS
- International Organization for Forensic Odonto-Stomatology
- IOHA
- International Occupational Hygiene Association
- IOHO
- Improving Our Health Odds
- IOIS
- International Ocular Inflammation Society
- IOM
- Institute of Medicine. National Academy of Sciences
- IOMP
- International Organization for Medical Physics
- IOMSN
- International Organization of MS Nurses (Multiple Sclerosis)
- ION
- Institute of Nutrition
- IORLS
- Interactive otorhinolaryngological sciences [journal/ revue]
- IOS
- Illinois Orthopaedic Society
- IOSG
- International Oncology Study Group
- IOSH
- Institution of Occupational Safety and Health
- IoSM
- Institute of Safety Management
- IOSS
- International Ocular Surface Society
- IOTA
- Institut d'Ophtalmologie Tropicale de l'Afrique
- IOTF
- International Obesity Task Force
- IOVS
- Investigative Ophthalmology and Visual Science [periodical / périodique]
- IP
- Injury Prevention [periodical / périodique]
- IP
- International Pediatrics [periodical / périodique]
- IPA
- Independent Physician Association
- IPA
- Independent Provider Association
- IPA
- Indiana Pharmacists Alliance
- IPA
- International Paruresis Association
- IPA
- International Pediatric Association. Association internationale de pédiatrie. Asociación international de pediatria.
- IPA
- International Pharmaceutical Abstracts
- IPA
- International Pompe Association
- IPA / API / IPV
- International Psychoanalytical Association / Association Psychanalytique Internationale / Asociación Psicoanalitica Internacional / Internationale Psychoanalytische Vereinigung
- IPA
- Iowa Pharmacy Association
- IPA
- Israel Pain Association
- IPAA
- International Patient Advocacy Association
- IPAC
- International Pharmaceutical Aerosol Consortium
- IPBF
- International Painful Bladder Foundation
- IPCRG
- International Primary Care Respiratory Group
- IPCS
- International Programme on Chemical Safety
- IPEC
- International Pharmaceutical Excipients Council
- IPEG
- International Pharmaco-EEG Group
- IPEH
- International Physicians for Equitable Healthcare
- IPEM
- Institute of Physics and Engineering in Medicine
- IPHA
- Illinois Pharmacists Association
- IPHA
- Illinois Public Health Association
- IPHA
- International Pediatric Hypertension Association
- IPITA
- International Pancreas and Islet Transplant Association
- IPJ
- International Poster Journal of Dentistry and Oral Medicine
- IPMHR
- International Partnership for Mental Health Research
- IPNA
- International Pediatric Nephrology Association
- IPOPI
- International Patient Organization for Primary Immunodeficiencies
- IPOS
- International Psycho-Oncology Society
- IPPC
- Initiative for Pediatric Palliative Care
- IPPF
- International Pemphigus & Pemphigoid Foundation
- IPPF
- International Planned Parenthood Federation
- IPPNW
- International Physicians for the Prevention of Nuclear War
- IPPS
- International Pelvic Pain Society
- IPRAF
- International Plastic, Reconstructive and Aesthetic Foundation
- IPRAS
- International Confederation for Plastic, Reconstructive and Aesthetic Surgery
- IPRC
- Indiana Prevention Resource Center
- IPS
- Imaging and Perimetry Society [Formerly: International Perimetric Society]
- IPSA
- Institute for Psychological Study of the Arts
- IPSE
- Improving Patient Safety in Europe
- IPSF
- International Pharmaceutical Students' Federation
- IPTS
- International Pharmaceutical Technology Symposium
- IPV / IPA / API
- Internationale Psychoanalytische Vereinigung / International Psychoanalytical Association / Association Psychanalytique Internationale / Asociación Psicoanalitica Internacional
- IPW
- Injury Prevention Web
- IPWSO
- International Prader-Willi Syndrome Organisation
- IQOD
- International Health-Related Quality of Life Outcomes Databases
- IQOLA
- International Quality of Life Assessment
- IQWIG
- Institut für Qualität und Wirtschaftlichkeit im Gesundheitswesen. Institute for Quality and Efficiency in Health Care
- IRA
- Institut de Radiophysique Appliquée
- IRB
- Institutional Review Board
- IRB
- International Register on Biosafety
- IRCAD
- Institut de Recherche contre les Cancers de l'Appareil Digestif
- IRCT
- International Rehabilitation Council for Torture Victims
- IRDES
- Institut de Recherche et Documentation en Économie de la Santé [auparavant: CREDES]
- IREB
- Institut de Recherches Scientifiques sur les Boissons
- IRECA
- International Rescue and Emergency Care Association
- IRH
- Institute for Reproductive Health
- IRIDE
- Inventory of Resources for Infectious Diseases in Europe
- IRIS
- Integrated Risk Information System [database / base de donneées]
- IRIS
- International Renal Interest Society
- IRLSSG
- International Restless Legs Syndrome Study Group
- IRM
- HCFA's Information Resources Management Plan
- IRMEF
- Institut Régional de la Mère, de l'Enfant et de la Famille
- IRMO
- Information Resources Management Office (CDC)
- IRMVS
- Institute for Reparative Medicine and Vascular Surgery
- IRPA
- International Radiation Protection Association
- IRPA
- International Retinitis Pigmentosa Association
- IRPTC
- International Register of Potentially Toxic Chemicals
- IRS
- Illinois Radiological Society
- IRSA
- International Radiosurgery Support Association
- IRSA
- International Rett Syndrome Association
- IRSC / CIHR
- Instituts de Recherche en Santé du Canada / Canadian Institutes of Health Research
- IRSN
- Institut de Radioprotection et de Sûreté Nucléaire
- IRSQ
- Internet Reference Services Quarterly
- IRSST
- Institut de recherche Robert-Sauvé en santé et en sécurité du travail
- ISA
- International Society of Andrology
- ISA
- International Society of Audiology
- ISA
- International Stuttering Association
- ISA
- Irish Stammering Association
- ISAAC
- International Society for Augmentative and Alternative Communication
- ISAC
- International Society for Analytical Cytology. International Society for Advancement of Cytometry.
- ISACCD
- International Society for Adult Congenital Cardiac Disease
- ISAD
- International Society for Affective Disorders
- ISAD
- International Society of Abortion Doctors
- ISAD
- International Stuttering Awareness Day
- ISAKOS
- International Society of Arthroscopy and Knee Arthroscopy Surgery & Orthopaedic Sports Medicine
- ISAM
- International Society for Aerosols in Medicine
- ISAP
- International Society for Anaesthetic Pharmacology
- ISAP
- Internet Self-Assessment in Pharmacology
- ISAPA
- International Society for Aging and Physical Activity
- ISAPP
- International Society for Adolescent Psychiatry and Psychology
- ISAPS
- International Society of Aesthetic Plastic Surgery
- ISARS
- Institut Fédératif Saint-Antoine de Recherche sur la Santé
- ISB / SIB/ SIB
- Institut Suisse de Bioinformatique / Schweizerisches Institut für Bioinformatik / Swiss Institute of Bioinformatics
- ISB
- International Society of Biomechanics
- ISBM
- International Society of Behavioral Medicine
- ISBOR
- International Society of Breath Odor Research
- ISBP
- International Society of Blood Purification
- �SBS
- International Society for Biophysics and Imaging of the Skin
- ISBS
- International Society of Biomechanics in Sports
- iSBTc
- International Society for Biological Therapy of Cancer
- ISC
- International Society of Chemotherapy
- ISCAIC
- International Symposium on Computing in Anesthesia and Intensive Care
- ISCAIP
- International Society for Child and Adolescent Injury Prevention
- ISCAS
- International Society for Computer Aided Surgery
- ISCB
- International Society for Clinical Biostatistics
- ISCBFM
- International Society for Cerebral Blood Flow & Metabolism
- ISCD
- International Society for Clinical Densitometry
- ISCD
- International Society for Computerized Dentistry
- ISCEV
- International Society for Clinical Electrophysiology of Vision
- ISCFS
- International Society of Craniofacial Surgery
- ISCIII
- Instituto de Salud Carlos III
- ISCMR
- International Society for Complementary Medicine Research
- ISCO
- International Society of Cellular Oncology
- ISCoS
- International Spinal Cord Society
- ISCMR
- International Society for Complementary Medicine Research
- ISCP
- International Society of Comparative Psychology
- ISCVS
- International Society for Cardiovascular Surgery
- ISD
- International Society of Dermatology
- ISD
- International Society of Dermatopathology
- ISD
- International Society of Differentiation
- ISDD
- Institute for the Study of Drug Dependence
- ISDE
- International Society of Doctors for the Environment
- ISDH
- Indiana State Department of Health
- ISDH
- Irish Society for Disability & Oral Health
- ISDIS
- International Society for Digital Imaging of the Skin
- ISDQP
- International Society for Diagnostic Quantitative Pathology [Now: International Society for Cellular Oncology (ISCO)]
- ISDS
- Illinois State Dental Society
- ISDS
- Interagency Subcommittee on Disability Statistics
- ISDS
- International Society for Dermatologic Surgery
- ISDS
- International Society for Digestive Surgery
- ISEA
- International Society of Exposure Analysis
- ISEE
- International Society for Environmental Epidemiology
- ISEE
- International Society for the Enhancement of Eyesight
- ISEH
- International Society for Ecosystem Health
- ISEqH
- International Society for Equity in Health. Société Internationale pour l'Équité en Santé. Sociedad Internacional por la Equidad en la Salud
- ISER
- International Society for Eye Research
- ISES
- International Society of Endovascular Specialists
- ISF
- International Schizophrenia Foundation
- ISFG
- International Society for Forensic Genetics
- ISfTeH
- International Society for Telemedicine & eHealth
- ISDI
- Inflammatory Skin Disease Institute
- ISG
- Indian Society of Gastroenterology
- ISH
- International Society of Hypnosis
- ISHAM
- International Society for Human and Animal Mycology
- ISHBPR
- International Society of Hepato-Biliary Pancreatic Radiology
- ISHG
- Irish Society of Human Genetics
- ISHIM
- International Society for the History of Islamic Medicine
- ISHIMR
- International Symposium for Health Information Management Research
- ISHM / SIHM
- International Society for the History of Medicine / Internationale d'Histoire de la Médecine. Societas Internationalis Historiæ Medicinæ. Société
- ISHN
- Industrial Safety & Hygiene News
- ISHN
- International Society for the History of the Neurosciences
- ISHTAR
- Implementing Secure Health Telematics Applications in Europe
- ISI
- Institute for Scientific Information [Now: Thomson Scientific}
- ISICEM
- International Symposium on Intensive Care and Emergency Medicine
- ISICR
- International Society for Interferon and Cytokine Research
- ISID
- International Society for Infectious Diseases
- ISIE
- International Society for Imaging in the Eye
- ISIS
- Institute of Science in Society
- ISIS
- International Society on Infant Studies
- ISIS
- International Spinal Injection Society
- ISJ
- Internet Science Journal
- ISKO
- International Society for Knowledge Organization
- ISLD
- International Society for Lasers in Dentistry
- ISM
- Information Santé Multimédia. Information System Medical. Informations System für die Medecine. Información Sistema Médico
- ISMC
- International Society of Motor Control
- ISMC
- EFMC International Symposium on Medicinal Chemistry
- ISMICS
- International Society for Minimally Invasive Cardiothoracic Surgery
- ISMISS
- International Society for Minimal Intervention in Spinal Surgery
- ISMP
- Institute for Safe Medication Practices
- ISMRM
- International Society for Magnetic Resonance in Medicine
- ISMS
- Indian Society for Medical Statistics
- ISN
- International Society of Nephrology
- ISNA
- Indiana State Nurses Association
- ISNA
- Intersex Society of North America
- ISNCC
- International Society of Nurses in Cancer Care
- ISNG
- International Society of Nurses in Genetics
- ISNI
- International Society of NeuroImmunology
- ISNIM
- International Society for NeuroImmunoModulation
- ISOA
- Irish Society of Obstetric Anaesthesia
- ISOBM
- International Society for Oncodevelopmental Biology and Medicine
- ISOM
- International Society for Orthomolecular Medicine
- ISOM
- Israeli Society of Oral Medicine
- ISONG
- International Society of Nurses in Genetics
- ISOO
- International Society for Oral Oncology
- ISOO
- International Society of Ocular Oncology
- ISODP
- International Society for Organ Donation and Procurement
- ISOPP
- International Society of Oncology Pharmacy Practitioners
- ISOQOL
- International Society for Quality of Life Research
- ISOST
- Internet Society of Orthopaedic Surgery and Trauma
- ISOT
- International Society of Ocular Toxicologoy
- ISP
- Infirmiers de Secteur Psychiatrique
- ISPAD
- International Society for Pediatric and Adolescent Diabetes
- ISPCLN
- International Society of Psychiatric Consultation-Liaison Nurses
- ISPD
- Illinois Society of Pediatric Dentists
- ISPD
- International Society for Peritoneal Dialysis
- ISPE
- International Society for Pharmacoepidemiology
- ISPED
- Institut de Santé Publique, d'Épidémiologie et de Développement
- ISPEN
- Indian Society for Parenteral and Enteral Nutrition
- ISPN
- International Society of Psychiatric-Mental Health Nursing
- ISPNO
- International Symposium on Pediatric Neuro-Oncology
- ISPO
- International Society for Preventive Oncology
- ISPOR
- International Society for Pharmacoeconomics and Outcomes Research
- ISPP
- International Society of Political Psychology
- ISPS
- International Society for the Psychological Treatments of the Schizophrenias and other Psychoses
- ISPS
- International Society of Police Surgeons
- ISQOLS
- International Society for Quality-of-Life Studies
- ISQua
- International Society for Quality in Health Care
- ISR
- International Society of Radiology
- ISREC
- Institut Suisse de Recherche Expérimentale sur le Cancer. Schweizerisches Institut für Experimentelle Krebsforschung. Swiss Institute for Experimental Cancer Research.
- isRHFM
- International Society for Research in Healthcare Financial Management
- ISRRT
- International Society of Radiographers & Radiological Technologists
- ISRS
- International Society of Refractive Surgery
- ISRT
- Iowa Society of Radiologic Technologists
- ISRTP
- International Society of Regulatory Toxicology and Pharmacology
- ISS
- International Skeletal Society
- ISS / SIC
- International Society of Surgery / Société Internationale de Chirurgie
- ISSAM
- International Society for the Study of the Aging Male
- ISSBD
- International Society for the Study of Behavioral Development
- ISSCR
- International Society for Stem Cell Research
- ISSD
- International Society for the Study of Dissociation
- ISSI
- International Society for Skin Imaging
- ISSIR
- International Society for Sexual and Impotence Research
- ISSLS
- International Society for the Study of the Lumbar Spine
- ISSN
- International Society of Sports Nutrition
- ISSPR
- International Society for the Study of Personal Relationships
- ISSRT
- Illinois State Society of Radiologic Technologists
- ISSSEEM
- International Society for the Study of Subtle Energies and Energy Medicine
- ISSTDR
- International Society for Sexually Transmitted Diseases Research
- ISSVD
- International Society for the Study of Vulvovaginal Disease
- ISSWSH
- International Society for the Study of Women's Sexual Health
- IST
- Institut Universitaire Romand de Santé au Travail
- ISTAHC
- International Society of Technology Assessment in Health Care. Soci#233;té Internationale d'Évaluation des Technologies de la Santé. Sociedad Internacional de Evaluación de Tecnolog�as de la Salud
- ISTAR
- Institute for Stuttering Treatment and Research
- ISTAT
- Italy's national statistical institute
- ISTH
- International Society on Thrombosis and Haemostasis
- ISTM
- International Society of Travel Medicine
- ISTM
- Irish Society of Travel Medicine
- ISTP
- Index to Scientific & Technical Proceedings
- ISTSS
- International Society for Traumatic Stress Studies
- ISUOG
- International Society of Ultrasound in Obstetrics and Gynecology
- ISVMA
- Illinois State Veterinary Medical Association
- ISVO
- International Society of Veterinary Ophthalmology
- ISVS
- International Society for Vascular Surgery
- IT
- Immunology Today
- IT&D
- Information Technology and Disabilities [journal/ revue]
- ITA
- International Telenurses Association
- ITA
- Intestinal Transplantation Association
- ITAA
- International Transactional Analysis Association
- ITACA
- European Society of Professionals working with drug dependences
- ITACCS
- International Trauma Anesthesia and Critical Care Society. Société Internationale d'Anesthésie - Réanimation en Traumatologie.
Internationale Gesellschaft für Anästhesie und Intensivmedizin im Trauma
Sociedad Internacional de Anesthesie y Reanimaçion en Traumatologia
- ITALZ
- Web italiano sulla Malattia di Alzheimer. Italian Web on Alzheimer Diseases. Web Italien sur la Maladie d'Alzheimer
- ITCS
- International Transplant Coordinators Society
- ITER
- International Toxicity Estimates for Risk
- ITG / IMT / ITM
- Instituut voor Tropische Geneeskunde Antwerpen / Institut de Médecine Tropicale d'Anvers / Institute of Tropical Medicine Antwerp
- ITIN
- Information Technology in Nursing
- ITLS
- International Trauma Life Support [Formerly: Basic Trauma Life Support]
- ITM
- Institute for Traditional Medicine
- ITM / ITG / IMT
- Institute of Tropical Medicine Antwerp / Instituut voor Tropische Geneeskunde Antwerpen / Institut de Médecine Tropicale d'Anvers
- ITMA
- International Traffic Medicine Association
- ITMHCA
- Infant Toddler Mental Health Coalition of Arizona
- ITNS
- International Transplant Nurses Society
- ITP
- Interactive Testing in Psychiatry
- IUBMB
- International Union of Biochemistry and Molecular Biology
- IUK
- Initiativkreis Umfassende Kieferorthopädie
- IUML
- Institut Universitaire de Médecine Légale
- IUMS
- International Union of Microbiological Societies
- IUMSP
- Institut Universitaire de Médecine Sociale et Préventive
- IUNS
- International Union of Nutritional Sciences
- IUPESM
- International Union for Physical and Engineering Sciences in Medicine
- IUPHAR
- International Union of Pharmacology
- IUPsyS
- International Union of Psychological Science
- IUSTI
- International Union against Sexually Transmitted Infections. Union Internationale contre les Infections Sexuellement Transmises. Unión Internacional contra las Enfermedades Venéreas. Internationale Vereinigung gegen sexuell übertragene Infektionen.
- IUTOX
- International Union of Toxicology
- IVA
- Irish Veterinary Association [Now: Veterinary Ireland]
- IVACG
- International Vitamin A Consultative Group
- IVAS
- International Veterinary Acupuncture Society
- IVBG
- International Veterinary Biosafety Group
- IVENTA
- International Veterinary Ear Nose and Throat Association
- IVI
- International Vaccine Institute
- IVIS
- International Veterinary Information Service
- IVJ
- Irish Vet Journal
- IVMA
- Idaho Veterinary Medical Association
- IVMA
- Indiana Veterinary Medical Association
- IVNTA
- International Veterinary Nurses and Technicians Association
- IVPT
- Institute of Veterinary Pharmacology and Toxicology
- IVRA
- International Veterinary Radiology Association
- IVSA
- International Veterinary Students' Association
- IVT
- Institut Vétérinaire Tropical
- IVTG
- In Vitro Toxicology Group
- IVU
- International Volunteers in Urology
- IWH
- Institute for Work & Health. Institut de Recherche sur le Travail et la Santé
- IWHC
- International Women's Health Coalition
- IWMF
- International Waldenstrom' Macroglobulinemia Foundation
- IXA
- International Xenotransplantation Association
- IYCWS
- International Year for Children Who Stutter 2004
- IYOP
- International Year of Older Persons 1999
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