RT Journal Article SR Electronic T1 Sixth European Conference on Clinical Aspects and Treatment of HIV Infection, Hamburg, Germany, 11-15 October 1997. JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 71 OP 71 DO 10.1136/sti.74.1.71 VO 74 IS 1 A1 Radcliffe, K W A1 Ross, J D YR 1998 UL http://sti.bmj.com/content/74/1/71.abstract AB