Acupuncture for chronic back pain: patients and methods.
D015670:Acupuncture Therapy; D001007:Anxiety; D001416:Back Pain / Q000150:complications / Q000523:psychology / Q000628:therapy*; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D003863:Depression; D004311:Double-Blind Method; D006791:Hostility; D006801:Humans; D006998:Hypochondriasis / Q000150:complications; D010551:Personality