RT Journal Article SR Electronic T1 Nucleic acid amplification tests of self-taken vulvovaginal swabs are more sensitive than clinician taken endocervical culture for gonorrhoea JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP e46 OP e46 DO 10.1136/eb-2013-101251 VO 18 IS 5 A1 Lawton, Beverley A1 Bromhead, Collette YR 2013 UL http://ebm.bmj.com/content/18/5/e46.abstract AB