title: Chlamydia trachomatis and upper abdominal pain.
mesh_terms: D000005:Abdomen; D000293:Adolescent; D000328:Adult; D000907:Antibodies, Bacterial / Q000032:analysis; D002690:Chlamydia Infections; D002692:Chlamydia trachomatis / Q000276:immunology; D005260:Female; D006505:Hepatitis / Q000209:etiology*; D006801:Humans; D008219:Lymphogranuloma Venereum; D010146:Pain / Q000209:etiology*
chemical_list: D000907:Antibodies, Bacterial