RT Journal Article SR Electronic T1 Making every contact count: improving the assessment of gay, bisexual and other men who have sex with men using a structured proforma JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 48 OP 48 DO 10.1136/sextrans-2015-052290 VO 92 IS 1 A1 Lee, Ming J A1 Oza, Bhavna A1 Pakianathan, Mark A1 Hegazi, Aseel YR 2016 UL http://sti.bmj.com/content/92/1/48.abstract AB