RT Journal Article SR Electronic T1 Clinical Round-up JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 452 OP 452 DO 10.1136/sextrans-2017-053226 VO 93 IS 6 A1 S Herbert YR 2017 UL http://sti.bmj.com/content/93/6/452.abstract AB