RT Journal Article SR Electronic T1 Online First in Sexually Transmitted Infections JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 190 OP 190 DO 10.1136/sti.2006.021501 VO 82 IS 3 A1 R F Miller A1 H Ward YR 2006 UL http://sti.bmj.com/content/82/3/190.abstract AB