| Literature DB >> 6848042 |
T L Higgins, E D Sivak, D M O'Neil, J W Graves, D G Foutch.
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Year: 1983 PMID: 6848042 DOI: 10.7326/0003-4819-98-1-47
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391