| Literature DB >> 2750736 |
C M Burchfiel1, M W Higgins, J B Keller, W J Butler, R P Donahue.
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Year: 1989 PMID: 2750736 DOI: 10.1093/oxfordjournals.aje.a115349
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897