| Literature DB >> 1883426 |
D B Swanson1, S M Case, P R Kelley, J L Lawley, R J Nungester, R D Powell, R L Volle.
Abstract
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Year: 1991 PMID: 1883426 DOI: 10.1097/00001888-199108000-00004
Source DB: PubMed Journal: Acad Med ISSN: 1040-2446 Impact factor: 6.893