Therapeutic effects of low-frequency phonophoresis with a Chinese herbal medicine versus sodium diclofenac for treatment of knee osteoarthritis: a double-blind, randomized, placebo-controlled clinical trial

Zhao Jun, Wang Qingfu, Wu Ji, Shi Xinchao, Qi Qingxue, Zheng Haoyun, Lang Song, Yang Lili, Zhang Dong

Journal of Traditional Chinese Medicine . 2016, (05): 613 -617 .