| Literature DB >> 6807466 |
Abstract
Keywords: Biology; Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Postcoital; Contraceptive Methods; Developed Countries; Endocrine System; Estrogens; Europe; Family Planning; Fertility Control, Postcoital; Hormones; Iud; Northern Europe; Oral Contraceptives; Oral Contraceptives, Combined; Physiology; Progestational Hormones; Progesterone; Reproductive Control Agents; United Kingdom
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Year: 1982 PMID: 6807466 PMCID: PMC1498980 DOI: 10.1136/bmj.285.6338.322
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623