Electro-acupuncture resulted in significant improvement in pain and function, compared with sham acupuncture, in a randomized trial of more than 400 adults with knee OA.
Medscape Medical News

Electro-acupuncture resulted in significant improvement in pain and function, compared with sham acupuncture, in a randomized trial of more than 400 adults with knee OA.
Medscape Medical News