Pheretima extract ameliorates nucleus pulposus cell degeneration in the intervertebral disc by inhibiting nuclear factor-kappa B pathway 
Fu Yuanfei, He Shenghua, Lai Juyi, Sun Zhitao, Feng Hualong, Lan Zhiming
Chinese Journal of Tissue Engineering Research . 2021, (2): 264 -268 .  DOI: 10.3969/j.issn.2095-4344.2983