Evaluation of acupuncture in the treatment of chronic pain.
D015670:Acupuncture Therapy; D001168:Arthritis / Q000150:complications / Q000628:therapy; D002908:Chronic Disease / Q000628:therapy; D005500:Follow-Up Studies; D006801:Humans; D009493:Neurosurgery; D010146:Pain / Q000209:etiology; D059408:Pain Management; D011379:Prognosis