| Literature DB >> 5852581 |
R C Steinkamp, N L Cohen, W R Gaffey, T McKey, G Bron, W E Siri, T W Sargent, E Isaacs.
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Year: 1965 PMID: 5852581 DOI: 10.1016/0021-9681(65)90162-1
Source DB: PubMed Journal: J Chronic Dis ISSN: 0021-9681