title: Fundamental considerations of chronic pain therapy.
mesh_terms: D001369:Axons; D002908:Chronic Disease; D003216:Conditioning, Operant; D006748:Hospital Departments; D006782:Hospitals, Special; D006801:Humans; D009422:Nervous System Diseases; D009934:Organization and Administration; D010146:Pain / Q000175:diagnosis / Q000209:etiology; D059408:Pain Management; D010523:Peripheral Nervous System Diseases; D010808:Physical Examination; D009435:Synaptic Transmission