| Literature DB >> 7212506 |
A J Saah, G L Drusano, J W Warren, J H Tenney, E S Caplan.
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Year: 1981 PMID: 7212506 DOI: 10.7326/0003-4819-94-4-487
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391