RT Journal Article SR Electronic T1 Seroprevalence of reproductive tract infections in women in northern India—a relatively low prevalence area JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 497 OP 498 DO 10.1136/sti.79.6.497 VO 79 IS 6 A1 Sharma, M A1 Sethi, S A1 Gopalan, S A1 Gulati, K A1 Lyall, S YR 2003 UL http://sti.bmj.com/content/79/6/497.abstract AB