RT Journal Article SR Electronic T1 Barriers to HIV testing: a survey of GUM clinic attendees JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 247 OP 248 DO 10.1136/sti.2003.007682 VO 80 IS 3 A1 Burns, F A1 Mercer, C H A1 Mercey, D A1 Sadiq, S T A1 Curran, B A1 Kell, P YR 2004 UL http://sti.bmj.com/content/80/3/247.2.abstract AB