Gradient local anesthesia for percutaneous endoscopic interlaminar discectomy at the L5/S1 level: a feasibility study

by Wan-Li Feng, Jun-Song Yang, Dongmei Wei, Han-Lin Gong, Yong Xi, Hui-Qiang Lv, Xin-Gang Wang, Bin Xia, Jian-Min Wei
Published 2020-09-01