Comments on Pfingsten et al., PAIN, 73 (1997) 77-85.
Neumann
Joseph K
JK
VA Medical Center, Psychology Service (116B2), Mountain Home, TN 37684, USA.
Walsh
Gregory
G
D001676:Biofeedback, Psychology; D004576:Electromyography; D006801:Humans; D017116:Low Back Pain / Q000503:physiopathology / Q000628:therapy*; D004561:Transcutaneous Electric Nerve Stimulation