| Literature DB >> 13340034 |
Abstract
Entities:
Keywords: RURAL CONDITIONS; SEX CHARACTERISTICS; VITAL STATISTICS
Mesh:
Year: 1956 PMID: 13340034 PMCID: PMC1623984 DOI: 10.2105/ajph.46.8.959
Source DB: PubMed Journal: Am J Public Health Nations Health ISSN: 0002-9572