http://yukz.com/indexa.html
http://www.info.gov.hk/info/sars/cindex.htm
http://legco.gov.hk/yr03-04/chinese/sc/sc_sars/reports/sars_rpt.htm
http://www.who.int/csr/sars/en/
http://www.droid.cuhk.edu.hk/web/atypical_pneumonia/atypical_pneumonia.htm