| Literature DB >> 13959463 |
R FREEMAN, C G SHEPS, H G TIBBITTS, G G LAMSON.
Abstract
Entities:
Keywords: PUBLIC HEALTH
Mesh:
Year: 1963 PMID: 13959463 PMCID: PMC1254184 DOI: 10.2105/ajph.53.6.965
Source DB: PubMed Journal: Am J Public Health Nations Health ISSN: 0002-9572