title: A controlled follow-up of cases involved in an epidemic of 'benign myalgic encephalomyelitis'.
mesh_terms: D000328:Adult; D004196:Disease Outbreaks; D004679:Encephalomyelitis / Q000150:complications / Q000453:epidemiology* / Q000209:etiology; D005191:Family Characteristics; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007046:Hysteria; D008131:London; D010287:Parent-Child Relations; D010554:Personality Disorders / Q000150:complications; D010555:Personality Inventory; D013405:Suicide