| Literature DB >> 12317744 |
Abstract
Entities:
Keywords: Bulgaria; Comparative Studies; Demographic Factors; Developed Countries; Eastern Europe; Economic Development; Economic Factors; Europe; Historical Survey; Infant Mortality--changes; Mortality; Population; Population Dynamics; Research Methodology; Studies
Mesh：
Year: 1992 PMID： 12317744
Source DB: PubMed Journal: Naselenie ISSN： 0205-0617