| Literature DB >> 4886471 |
S B Werner, P H Jones, W M McCormack, E A Ager, P T Holm.
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Year: 1969 PMID: 4886471 DOI: 10.1093/oxfordjournals.aje.a120941
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897