RT Journal Article SR Electronic T1 Clinical round-up JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 548 OP 548 DO 10.1136/sextrans-2018-053566 VO 94 IS 7 A1 Sophie Herbert A1 Emily Chung YR 2018 UL http://sti.bmj.com/content/94/7/548.abstract AB