| Literature DB >> 5063895 |
D H Martin, G A Eddy, W D Sudia, W C Reeves, V F Newhouse, K M Johnson.
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Year: 1972 PMID: 5063895 DOI: 10.1093/oxfordjournals.aje.a121426
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897