| Literature DB >> 4818084 |
A M Ostfeld, R B Shekelle, H Klawans, H M Tufo.
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Year: 1974 PMID: 4818084 PMCID: PMC1775451 DOI: 10.2105/ajph.64.5.450
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308