| Literature DB >> 5362857 |
R N Philip, J A Bell, D J Davis, M O Beem, P M Beigelman, J I Engler, G W Mellin, J H Johnson, A M Lerner.
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Year: 1969 PMID: 5362857 DOI: 10.1093/oxfordjournals.aje.a121093
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897