RT Journal Article SR Electronic T1 Epidemiological treatment for chlamydia co-infection in men who have sex with men (MSM) with a presumptive diagnosis of urethral gonorrhoea in South Australia JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 580 OP 580 DO 10.1136/sextrans-2012-050687 VO 88 IS 8 A1 Khaw, Carole A1 Li, Bin A1 Waddell, Russell YR 2012 UL http://sti.bmj.com/content/88/8/580.abstract AB