| Literature DB >> 1156801 |
Abstract
Entities:
Keywords: Age Factors; Contraception; Contraceptive Methods; Contraceptive Methods--side effects; Demographic Factors; Diseases; Family Planning; Heart Diseases; High Risk Women; Oral Contraceptives, Combined; Oral Contraceptives--side effects; Population; Population Characteristics; Reproduction
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Year: 1975 PMID: 1156801 PMCID: PMC1673842 DOI: 10.1136/bmj.3.5980.433-a
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447