| Literature DB >> 7421932 |
W Willett, C H Hennekens, A J Siegel, M M Adner, W P Castelli.
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Year: 1980 PMID: 7421932 DOI: 10.1056/NEJM198011133032007
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245