Morphology of Herniated Disc as a Predictor for Outcomes of Posterior Percutaneous Full‐endoscopic Cervical Discectomy in Treating Cervical Spondylotic Radiculopathy oleh Yi Liu, Guo‐ke Tang, Wei‐heng Wang, Chang‐gui Shi, Shuang Wang, Lei Yu, Jiang‐ming Yu, Xiao‐jian Ye