| Literature DB >> 5415578 |
R B Couch, R G Douglas, K M Lindgren, P J Gerone, V Knight.
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Year: 1970 PMID: 5415578 DOI: 10.1093/oxfordjournals.aje.a121115
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897