RT Journal Article SR Electronic T1 Factors associated with HIV testing in men who have sex with men, in Dar es Salaam, Tanzania JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 483 OP 483 DO 10.1136/sextrans-2012-050661 VO 88 IS 7 A1 Joyce Nyoni A1 Michael W Ross YR 2012 UL http://sti.bmj.com/content/88/7/483.abstract AB