| Literature DB >> 882922 |
Abstract
Entities:
Keywords: Cohort Analysis; Congenital Abnormalities; Contraception; Contraceptive Methods--side effects; Diseases; Family Planning; Heart Diseases; Neonatal Diseases And Abnormalities; Oral Contraceptives, Combined; Oral Contraceptives--side effects; Prospective Studies; Research Methodology; Retrospective Studies; Studies
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Substances:
Year: 1977 PMID: 882922 DOI: 10.1002/tera.1420150317
Source DB: PubMed Journal: Teratology ISSN: 0040-3709