| Literature DB >> 4966039 |
S S Kalter, J Ratner, G V Kalter, A R Rodriguez, C S Kim.
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Year: 1967 PMID: 4966039 DOI: 10.1093/oxfordjournals.aje.a120765
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897