| Literature DB >> 6116934 |
Abstract
Keywords: Age Factors; Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Methods--side effects; Demographic Factors; Family Planning; Gastrointestinal Effects; Oral Contraceptives--side effects; Population; Population Characteristics; Urogenital Effects
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Year: 1981 PMID: 6116934 DOI: 10.1016/s0140-6736(81)90218-x
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321