HIV/AIDS sentinel surveillance among men who have sex with men, Foshan, 2009-2013
SUI Dan-dan, CHEN Shu-hao, GONG Yan-hua, ZHONG Ling-qiao, ZENG Qi
S China J Prev Med . 2015, (1): 33 -36 .  DOI: 10.13217/j.scjpm.2015.0033