| Literature DB >> 5325756 |
A L Plakun, J Ambrus, I Bross, S Graham, M L Levin, C A Ross.
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Year: 1966 PMID： 5325756 PMCID： PMC1256924 DOI： 10.2105/ajph.56.3.434
Source DB: PubMed Journal: Am J Public Health Nations Health ISSN： 0002-9572