| Literature DB >> 5637865 |
J E Maynard, H B Dull, M L Hanson, E T Feltz, R Berger, L Hammes.
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Year: 1968 PMID: 5637865 DOI: 10.1093/oxfordjournals.aje.a120795
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897