RT Journal Article SR Electronic T1 Brief encounters JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 235 OP 235 DO 10.1136/sti.2009.038562 VO 85 IS 4 A2 Helen Ward A2 Rob Miller YR 2009 UL http://sti.bmj.com/content/85/4/235.abstract AB