Effect of Ultrasonic Penetration with Volatile Oil of Olibanum and Chuanxiong Rhizoma on Acute Knee Synovitis Induced by Sports Training: An Open-Label Randomized Controlled Study oleh Qiwen Xuan, Yi Ruan, Chengbing Cao, Zifei Yin, Juan Du, Can Lv, Fanfu Fang, Wei Gu