Effect of low-energy laser irradiation at oral pharynx and Dubi acupoint (ST35) on metabolism of oxygen free radicals in rabbits with knee osteoarthritis 
Zhang Yan-jiao, Li Shao-xin, Guo Zhou-yi, Huang Han-chuan,Yang Xi-chen
Chinese Journal of Tissue Engineering Research . 2010, (28): 5208 -5211 .  DOI: 10.3969/j.issn.1673-8225.2010.28.018