| Literature DB >> 8502003 |
S B Soumerai1, J Avorn, W C Taylor, M Wessels, D Maher, S L Hawley.
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Year: 1993 PMID: 8502003 DOI: 10.1097/00005650-199306000-00009
Source DB: PubMed Journal: Med Care ISSN: 0025-7079 Impact factor: 2.983