| Literature DB >> 6066713 |
M A Budd, R G Scholtens, R F McGehee, P Gardner.
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Year: 1967 PMID: 6066713 PMCID: PMC1226998 DOI: 10.2105/ajph.57.1.80
Source DB: PubMed Journal: Am J Public Health Nations Health ISSN: 0002-9572