| Literature DB >> 890393 |
Abstract
Keywords: Contraception; Contraceptive Methods--administraction and dosage; Family Planning; Oral Contraceptives--administraction and dosage
Mesh:
Substances:
Year: 1977 PMID: 890393 PMCID: PMC1630906 DOI: 10.1136/bmj.2.6085.521-b
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447