| Literature DB >> 5046444 |
B G King, A F Schaplowsky, E B McCabe.
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Year: 1972 PMID: 5046444 PMCID: PMC1530364 DOI: 10.2105/ajph.62.8.1056
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308