| Literature DB >> 6069014 |
J W Wood, K G Johnson, Y Omori, S Kawamoto, R J Keehn.
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Year: 1967 PMID: 6069014 PMCID: PMC1227622 DOI: 10.2105/ajph.57.8.1381
Source DB: PubMed Journal: Am J Public Health Nations Health ISSN: 0002-9572