| Literature DB >> 7348445 |
Abstract
Keywords: Americas; Demographic Factors; Developed Countries; Differential Mortality--changes; Migration; Mortality--changes; North America; Northern America; Pennsylvania; Population; Population Characteristics; Population Dynamics; Population Size; Rural Population; Sex Factors; United States; Urban Population; Whites
Mesh:
Year: 1981 PMID: 7348445 DOI: 10.1080/19485565.1981.9988440
Source DB: PubMed Journal: Soc Biol ISSN: 0037-766X