Prevalent tendency of syphilis and HIV among men who have sex with men in Shenzhen City, 2005-2011
CAI Yu-mao, SONG Ya-juan, PAN Peng, HONG Fu-chang, FENG Tie-jian
S China J Prev Med . 2013, (1): 32 -34 .  DOI: 10.13217/j.scjpm.2013.01.032