RT Journal Article SR Electronic T1 BASHH membership and its benefits JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 178 OP 178 DO 10.1136/sextrans-2013-051415 VO 90 IS 3 A1 Elizabeth Carlin YR 2014 UL http://sti.bmj.com/content/90/3/178.abstract AB