RT Journal Article SR Electronic T1 Is nucleic acid amplification point-of-care testing for chlamydia and gonorrhoea cost-effective? JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 82 OP 82 DO 10.1136/sextrans-2013-051428 VO 90 IS 2 A1 Alec Miners YR 2014 UL http://sti.bmj.com/content/90/2/82.abstract AB