| Literature DB >> 180859 |
Abstract
Entities:
Keywords: Biology; Clinical Research; Comparative Studies; Contraception; Contraceptive Methods--side effects; Cytologic Effects; Family Planning; Hepatic Effects; Oral Contraceptives--side effects; Physiology; Research Methodology; Studies
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Year: 1976 PMID: 180859 DOI: 10.7326/0003-4819-85-1-122
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391