| Literature DB >> 7197273 |
Abstract
Keywords: Biology; Birth Rate--changes; Demographic Factors; Developed Countries; Fecundability--changes; Fecundity; Fertility; Fertility Measurements; Genetics; Genetics, Population; Population; Population Dynamics; Reproduction; Summary Report
Mesh：
Year: 1981 PMID： 7197273 DOI： 10.1017/s0021932000013675
Source DB: PubMed Journal: J Biosoc Sci ISSN： 0021-9320