Field, N; Kennedy, I; Folkard, K; Duffell, S; Town, K; Ison, CA; Hughes, G; (2014) Screening for gonorrhoea using samples collected through the English National Chlamydia Screening Programme and risk of false positives: a national survey of Local Authorities. BMJ Open , 4 (10) , Article e006067 . 10.1136/bmjopen-2014-006067. Green open access