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The "Chronic fatigue syndrome—a clinically empirical approach to its definition and study" page has been moved. The new link is: http://www.cdc.gov/cfs/publications/case_definition/empirical_approach.html
The "Chronic fatigue syndrome—a clinically empirical approach to its definition and study" page has been moved. The new link is: http://www.cdc.gov/cfs/publications/case_definition/empirical_approach.html