| Literature DB >> 893654 |
E J Eckenfels, D A Frate, E W Logan, K E Nelson, J A Schoenberger, D L Shumway, R C Roistacher.
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Year: 1977 PMID: 893654 DOI: 10.1016/0021-9681(77)90072-8
Source DB: PubMed Journal: J Chronic Dis ISSN: 0021-9681