| Literature DB >> 5563255 |
R S Paffenbarger, A S Gima, E Laughlin, R A Black.
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Year: 1971 PMID: 5563255 PMCID: PMC1529748 DOI: 10.2105/ajph.61.7.1362
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308