| Literature DB >> 5827171 |
W N Lim, A Kellner, M D Schweitzer, D Smith, M G Wilson.
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Year: 1965 PMID: 5827171 DOI: 10.1093/oxfordjournals.aje.a120536
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897