S. KoetsawangS. SrisupanditO. KiriwatA. KoetsawangMahidol UniversityFaculty of Medicine, Siriraj Hospital, Mahidol University2018-06-012018-06-011979-01-01Obstetrical and Gynecological Survey. Vol.34, No.7 (1979), 53715339866002978282-s2.0-84934738426https://repository.li.mahidol.ac.th/handle/20.500.14594/13272Mahidol UniversityMedicineThe monthly injectable contraceptive A two-year clinical trialNoteSCOPUS10.1097/00006254-197907010-00021