Microendoscopic discectomy associated with annulus repair: comparison of early functional recovery of the lumbar spine  
Li Chuan-jiang, Li Qing-chu, Wang Xiao-yong, Liu Ze-zheng, Yang Yang
Chinese Journal of Tissue Engineering Research . 2014, (46): 7386 -7390 .  DOI: 10.3969/j.issn.2095-4344.2014.46.002