| Literature DB >> 4405859 |
R H Cypess, J H Waller, C K Redmond, R J Tashjian, A I Hurvitz.
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Year: 1974 PMID: 4405859 DOI: 10.1093/oxfordjournals.aje.a121582
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897