| Literature DB >> 1139171 |
.
Abstract
Entities:
Keywords: Blood Coagulation Effects; Contraception; Contraceptive Methods; Diseases; Embolism; Ethynodiol Diacetate; Family Planning; Norethindrone; Norethynodrel; Norgestrel; Oral Contraceptives; Oral Contraceptives, Combined; Thromboembolism; Vascular Diseases
Mesh:
Year: 1975 PMID: 1139171 PMCID: PMC1673548 DOI: 10.1136/bmj.2.5972.651
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447