RT Journal Article SR Electronic T1 Low prevalence of chlamydial endocervical infection in antenatal south Indian women. JF Genitourinary Medicine JO Genitourin Med FD BMJ Publishing Group Ltd SP 240 OP 241 DO 10.1136/sti.69.3.240 VO 69 IS 3 A1 R Alexander A1 E Mathai A1 V Nayyar A1 M Mathew A1 P Jasper YR 1993 UL http://sti.bmj.com/content/69/3/240.abstract AB