| Literature DB >> 14087995 |
Abstract
Keywords: ADOLESCENCE; AFRICA; DEMOGRAPHY; EUROPE; FAMILY; FERTILITY; GREAT BRITAIN; MATERNAL MORTALITY; STERILITY
Mesh:
Year: 1963 PMID: 14087995 DOI: 10.1098/rspb.1963.0068
Source DB: PubMed Journal: Proc R Soc Lond B Biol Sci ISSN: 0950-1193