| Literature DB >> 4835142 |
N A Holtzman, A G Meek, E D Mellits.
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Year: 1974 PMID: 4835142 PMCID: PMC1775508 DOI: 10.2105/ajph.64.8.755
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308