Acupuncture for chronic low back pain.
Chiang
Pei-Jung
PJ
Su
Yi-Chang
YC
Liou
Ding-Ming
DM
D015670:Acupuncture Therapy; D002908:Chronic Disease; D006801:Humans; D017116:Low Back Pain / Q000175:diagnosis / Q000628:therapy*; D008516:Medicine, Chinese Traditional; D017211:Treatment Failure