RT Journal Article SR Electronic T1 Commentary JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 152 OP 153 DO 10.1136/sti.2006.017905 VO 82 IS 2 A1 S M Berman A1 R E Johnson YR 2006 UL http://sti.bmj.com/content/82/2/152.abstract AB