Epidemiology of pain.
D002490:Central Nervous System / Q000503:physiopathology; D002908:Chronic Disease; D003243:Consciousness; D006233:Persons with Disabilities; D004194:Disease / Q000209:etiology; D004777:Environment; D006262:Health; D006801:Humans; D008959:Models, Neurological; D010146:Pain / Q000453:epidemiology* / Q000209:etiology; D012684:Sensory Thresholds