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Abstract
Mesh: See more » Abstracting and IndexingManuscripts, Medical as TopicMedical IllustrationNorth AmericaPeriodicals as Topic/standardsUnited Kingdom
Year: 1979 PMID: 420469 DOI: 10.7326/0003-4819-90-1-95
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391