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Research ArticleOpen accessIn the author namesThe Development of a Revised Canadian Myalgic Encephalomyelitis Chronic Fatigue Syndrome Case DefinitionLeonard A. Jason, Meredyth Evans, Nicole Porter et al.Problem statement: Several investigators have indicated that case definitions for Chronic Fatigue Syndrome (CFS) are characterized by vaguely worded criteria that lack operational definitions and guidelines. The most widely used CFS case definition is the Fukuda et al. criteria, which uses polythetic criteria (i.e., patients are only required to have four out of a possible eight symptoms). Yet two of … …American Journal of Biochemistry and Biotechnology, Vol. 6, Issue 2 · 30 Jun 2010 · 33,224 accessesView PDF Cite

1 article for “Leonard A. Jason”