| Literature DB >> 4327998 |
F J Rosenberg, F S Lief, J D Todd, J S Reif.
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Year: 1971 PMID: 4327998 DOI: 10.1093/oxfordjournals.aje.a121307
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897