| Literature DB >> 902030 |
Abstract
Entities:
Keywords: Biology; Contraception; Contraceptive Methods--side effects; Cytologic Effects; Examinations And Diagnoses; Family Planning; Hepatic Effects; Oral Contraceptives--side effects; Physiology; Ultrasonics
Mesh:
Year: 1977 PMID: 902030 PMCID: PMC1631568 DOI: 10.1136/bmj.2.6087.642-d
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447