| Literature DB >> 4574044 |
Abstract
Keywords: Amenorrhea; Blood Pressure; Body Weight; Clinical Research; Contraception; Contraceptive Agents, Estrogen--side effects; Contraceptive Agents, Female--side effects; Contraceptive Agents, Progestin--side effects; Contraceptive Agents--side effects; Contraceptive Effectiveness; Contraceptive Methods--side effects; Ethinyl Estradiol--side effects; Evaluation; Family Planning; Menstruation Disorders; Metrorrhagia; Oral Contraceptives, Combined; Oral Contraceptives, Low-dose; Oral Contraceptives--side effects; Research Methodology; Use-effectiveness
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Year: 1973 PMID: 4574044 PMCID: PMC1589953 DOI: 10.1136/bmj.2.5863.389
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447