The Korean Journal of Internal Medicine
Vol.22, No.3, September 2007
British Medical Journal
vol.335, No.7629, 24 November 2007
AIDS
Vol.21, No.18, 30 November 2007
Vol.21, Supplement 6, November 2007
American Journal of Epidemiology
Vol.166, No.10, 15 November, 2007
Gender & Development
Vol.15, No.3, November 2007
Abstracts on Hygiene and Communicable Diseases
Vol.82, No.12, December 2007
Nature
Vol.450, No.7170, 29 November 2007
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