RT Journal Article SR Electronic T1 Brief encounters JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 2 OP 2 DO 10.1136/sti.78.1.2-a VO 78 IS 1 A1 Mohsen Shahmanesh YR 2002 UL http://sti.bmj.com/content/78/1/2.2.abstract AB