| Literature DB >> 6127462 |
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Abstract
Entities:
Keywords: Acceptor Characteristics; Age Factors; Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Methods--side effects; Developed Countries; Diseases; Europe; Family Planning; Gallbladder Diseases; Incidence; Measurement; Northern Europe; Oral Contraceptives--side effects; Parity; Prospective Studies; Reproductive Control Agents; Research Methodology; Smoking; Studies; United Kingdom
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Substances:
Year: 1982 PMID: 6127462
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321