| Literature DB >> 4541686 |
Abstract
Entities:
Keywords: Americas; Biology; Chile; Demographic Factors; Developing Countries; Health; Infant Mortality; Lactation; Latin America; Maternal Age; Maternal Physiology; Mortality; Nutrition; Parity; Physiology; Population; Population Dynamics; Rural Population; South America
Mesh:
Year: 1973 PMID: 4541686 PMCID: PMC2481005
Source DB: PubMed Journal: Bull World Health Organ ISSN: 0042-9686 Impact factor: 9.408