Non-surgical spinal decompression system versus conventional traction device for treating lumbar disc herniation through surface electromyography  
Feng Xian-xuan, Xu Yi-ming, Cai Yun, Bai Yue-hong
Chinese Journal of Tissue Engineering Research . 2018, (7): 1032 -1037 .  DOI: 10.3969/j.issn.2095-4344.0113