RT Journal Article SR Electronic T1 The changing face of male sexual assault: recreational drug use and multiple assailants JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 550 OP 550 DO 10.1136/sextrans-2019-054174 VO 95 IS 7 A1 Fionnuala Finnerty A1 Colin Fitzpatrick A1 Sarah Stockwell A1 Daniel Richardson YR 2019 UL http://sti.bmj.com/content/95/7/550.abstract AB