| Literature DB >> 1089499 |
Abstract
Entities:
Keywords: Amenorrhea; Clinical Research; Contraception; Contraceptive Methods--side effects; Diseases; Family Planning; Menstruation Disorders; Oral Contraceptives--side effects; Research Methodology
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Year: 1975 PMID: 1089499 DOI: 10.1016/0010-7824(75)90022-0
Source DB: PubMed Journal: Contraception ISSN: 0010-7824 Impact factor: 3.375