| Literature DB >> 4387534 |
R W Chamberlain, W D Sudia, P H Coleman, J G Johnston, T H Work.
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Year: 1969 PMID: 4387534 DOI: 10.1093/oxfordjournals.aje.a120918
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897