PDF(242 KB)
Survey of HIV and syphilis infection and influential factors assoicated with unprotected anal intercourse in men who have sex with men in Beijing.
China Tropical Medicine ›› 2010, Vol. 10 ›› Issue (01) : 10-12.
PDF(242 KB)
PDF(242 KB)
Survey of HIV and syphilis infection and influential factors assoicated with unprotected anal intercourse in men who have sex with men in Beijing.
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