RT Journal Article SR Electronic T1 False positive chlamydia results in pregnancy: should we retest them? JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 665 OP 665 DO 10.1136/sextrans-2013-051304 VO 89 IS 8 A1 Malini Raychaudhuri YR 2013 UL http://sti.bmj.com/content/89/8/665.abstract AB