| Literature DB >> 4441847 |
Abstract
Keywords: Family Planning; Family Planning, Behavioral Methods; Lactation, Prolonged
Mesh:
Substances:
Year: 1974 PMID: 4441847 PMCID: PMC1612975 DOI: 10.1136/bmj.4.5945.658-d
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447