| Literature DB >> 558192 |
Abstract
Keywords: Age Factors; Americas; Birth Order; Data Analysis; Demographic Factors; Developed Countries; Developing Countries; Economic Factors; Educational Status; Family And Household; Family Characteristics; Family Relationships; Fetal Death; Maternal Age; Mortality; North America; Northern America; Parental Age; Population; Population Characteristics; Population Dynamics; Research Methodology; Socioeconomic Factors; Socioeconomic Status; United States
Mesh：
Year: 1977 PMID： 558192 DOI： 10.1017/s0021932000010981
Source DB: PubMed Journal: J Biosoc Sci ISSN： 0021-9320