title: Chronic fatigue syndrome or myalgic encephalitis.
authors.forename: C
authors.initials: C
authors.lastname: Shepherd
mesh_terms: D002493:Central Nervous System Diseases / Q000145:classification*; D003937:Diagnosis, Differential; D015673:Fatigue Syndrome, Chronic / Q000145:classification* / Q000175:diagnosis / Q000209:etiology; D006801:Humans; D014944:World Health Organization