| Literature DB >> 5112974 |
J H McDermott, P W Kabler, H W Wolf.
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Year: 1971 PMID: 5112974 PMCID: PMC1530166 DOI: 10.2105/ajph.61.11.2269
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308