RT Journal Article SR Electronic T1 Contraception’s proved potential to fight HIV JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 184 OP 185 DO 10.1136/sti.2004.012013 VO 81 IS 2 A1 Reynolds, H W A1 Steiner, M J A1 Cates, W YR 2005 UL http://sti.bmj.com/content/81/2/184.abstract AB