Blum, M The link between contraceptive methods and Chlamydia trachomatis infection. [electronic resource] - Advances in contraception : the official journal of the Society for the Advancement of Contraception Sep 1988 - 233-9 p. digital Publication Type: Journal Article ISSN: 0267-4874 Standard No.: 10.1007/BF01849443 doi Subjects--Topical Terms: AdolescentAdultChlamydia Infections--etiologyChlamydia trachomatisContraception--methodsContraceptives, OralFemaleHumansIntrauterine DevicesMiddle AgedSexual Behavior