1. Men who have sex with men in southern Vietnam report high levels of substance use and sexual risk behaviours but underutilise HIV testing services: a cross-sectional study. (2nd September 2014) Authors: Pham, Quang Duy; Nguyen, Thuong Vu; Nguyen, Phuc Duy; Le, San Hoang; Tran, Anh Tho; Nguyen, Long Thanh; Wilson, David Peter; Zhang, Lei Journal: Sexually transmitted infections Issue: Volume 91:issue 3(2015) Page Start: 178 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗