| Literature DB >> 7049209 |
Abstract
Entities:
Keywords: Contraception; Contraception Failure; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Methods--pharmacodynamics; Contraceptive Methods--side effects; Contraceptive Usage; Ethinyl Estradiol; Family Planning; Levonorgestrel; Norethindrone; Oral Contraceptives--pharmacodynamics; Oral Contraceptives--side effects; Pregnancy, Unplanned; Reproductive Control Agents
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Year: 1982 PMID: 7049209 PMCID: PMC1427581 DOI: 10.1111/j.1365-2125.1982.tb04931.x
Source DB: PubMed Journal: Br J Clin Pharmacol ISSN: 0306-5251 Impact factor: 4.335