| Literature DB >> 5076143 |
P B Jennings, P A Elwell, J B Moe, L D Sands.
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Year: 1972 PMID: 5076143 PMCID: PMC1530449 DOI: 10.2105/ajph.62.10.1317
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308