TY - JOUR AU - Yang, Zhongrong AU - Zhang, Sichao AU - Dong, Zhengquan AU - Jin, Meihua AU - Han, Jiankang PY - 2014 DA - 2014/05/26 TI - Prevalence of unprotected anal intercourse in men who have sex with men recruited online versus offline: a meta-analysis JO - BMC Public Health SP - 508 VL - 14 IS - 1 AB - Men who have sex with men (MSM) are a high risk population for human immunodeficiency virus (HIV) infection. Our study aims to find whether MSM who were recruited online had a higher prevalence of self-reported unprotected anal intercourse (UAI) than those who were recruited offline. SN - 1471-2458 UR - https://doi.org/10.1186/1471-2458-14-508 DO - 10.1186/1471-2458-14-508 ID - Yang2014 ER -