title: Chronic fatigue and chronic fatigue syndrome: pathogenesis and measurement scales.
authors.forename: Colin M
authors.initials: CM
authors.lastname: Shapiro
mesh_terms: D003937:Diagnosis, Differential; D015673:Fatigue Syndrome, Chronic / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D011379:Prognosis