title: "The chronic fatigue syndrome".
mesh_terms: D000328:Adult; D002908:Chronic Disease; D003937:Diagnosis, Differential; D005221:Fatigue / Q000209:etiology*; D005260:Female; D005356:Fibromyalgia / Q000175:diagnosis*; D006801:Humans; D008297:Male; D009626:Terminology as Topic