Dicker, D The vaginal contraceptive diaphragm and the condom--a reevaluation and comparison of two barrier methods with the rhythm method. [electronic resource] - Contraception Oct 1989 - 497-504 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0010-7824 Standard No.: 10.1016/0010-7824(89)90055-3 doi Subjects--Topical Terms: AdolescentAdultContraceptive Devices, Female--adverse effectsContraceptive Devices, Male--adverse effectsEvaluation Studies as TopicFemaleFollow-Up StudiesHumansMiddle AgedNatural Family Planning Methods