| Literature DB >> 558300 |
Abstract
Entities:
Keywords: Americas; Demographic Factors; Developed Countries; Differential Mortality; Fetal Death; Infant Mortality; Mortality; North America; Northern America; Population; Population Dynamics; United States
Mesh:
Year: 1977 PMID: 558300 DOI: 10.1016/s0022-3476(77)81258-4
Source DB: PubMed Journal: J Pediatr ISSN: 0022-3476 Impact factor: 4.406