title: A forgotten factor in pelvic inflammatory disease: infection in the male partner.
mesh_terms: D002690:Chlamydia Infections / Q000635:transmission*; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D008297:Male; D000292:Pelvic Inflammatory Disease / Q000635:transmission*; D014526:Urethritis / Q000209:etiology