Identification of ambiguities in the 1994 chronic fatigue syndrome research case definition and recommendations for resolution

• Main Authors: Evengard Birgitta (Author), Bleijenberg Gijs (Author), Jason Leonard A (Author), Klimas Nancy (Author), Vernon Suzanne D (Author), Lloyd Andrew (Author), Reeves William C (Author), White Peter D (Author), Nisenbaum Rosane (Author), Unger Elizabeth R (Author)
• Format: Book
• Published: BMC, 2003-12-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

<p>Abstract</p> <p>Background</p> <p>Chronic fatigue syndrome (CFS) is defined by symptoms and disability, has no confirmatory physical signs or characteristic laboratory abnormalities, and the etiology and pathophysiology remain unknown. Difficulties with accurate case...