| Literature DB >> 4928918 |
N S Schumann, F Kavaler, L E Bellin, D J Lieberman, B W Watkins, Z G Haber.
Abstract
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Year: 1971 PMID: 4928918 DOI: 10.1097/00005650-197103000-00003
Source DB: PubMed Journal: Med Care ISSN: 0025-7079 Impact factor: 2.983