| Literature DB >> 4259384 |
F B Hollinger, R K Goyal, T Hersh, H C Powell, R J Schulman, J L Malnick.
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Year: 1972 PMID: 4259384 DOI: 10.1093/oxfordjournals.aje.a121404
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897