| Literature DB >> 1101679 |
C R Dorn, R K Tsutakawa, D Fein, G C Burton, D C Blenden.
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Year: 1975 PMID: 1101679 DOI: 10.1093/oxfordjournals.aje.a112167
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897