| Literature DB >> 648149 |
Abstract
Entities:
Keywords: Bleeding; Cohort Analysis; Contraception; Contraceptive Agents, Estrogen; Contraceptive Agents, Female--side effects; Contraceptive Agents, Postcoital--side effects; Contraceptive Agents, Progestin; Contraceptive Agents--side effects; Diseases; Ethinyl Estradiol; Family Planning; Nausea; Research Methodology; Signs And Symptoms; Vomiting
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Year: 1978 PMID： 648149 DOI： 10.1016/0010-7824(78)90016-1
Source DB: PubMed Journal: Contraception ISSN： 0010-7824 Impact factor: 3.375