| Literature DB >> 4117472 |
S P Baker, R S Fisher, W C Masemore, I M Sopher.
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Year: 1972 PMID: 4117472 PMCID: PMC1530487 DOI: 10.2105/ajph.62.11.1463
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308