| Literature DB >> 4315623 |
A J Nahmias, W E Josey, Z M Naib, C F Luce, A Duffey.
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Year: 1970 PMID: 4315623 DOI: 10.1093/oxfordjournals.aje.a121165
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897