RT Journal Article SR Electronic T1 Impact on gonorrhoea case reports through concomitant/dual testing in a chlamydia screening population in Liverpool JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 593 OP 594 DO 10.1136/sti.2007.027870 VO 83 IS 7 A1 Sara Jayne Lavelle A1 H Mallinson A1 S J Henning A1 A M C Webb A1 S Hughes A1 M Abbott YR 2007 UL http://sti.bmj.com/content/83/7/593.abstract AB