RT Journal Article SR Electronic T1 A Physician's Guide to Clinical Forensic Medicine JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 497 OP 498 DO 10.1136/sti.76.6.497-c VO 76 IS 6 A1 Jan Welch YR 2000 UL http://sti.bmj.com/content/76/6/497.4.abstract AB