| Literature DB >> 18015488 |
R S Gass, W J Murphy, E F Harrison, R R Puffer, W C Williams.
Abstract
Entities:
Year: 1941 PMID: 18015488 PMCID: PMC1531454 DOI: 10.2105/ajph.31.9.951
Source DB: PubMed Journal: Am J Public Health Nations Health ISSN: 0002-9572