Comparison of Long‐term Follow‐Up of n‐HA PA66 Cage and PEEK Cage of Lumbar Interbody Fusion in Multi‐level Degenerative Lumbar Diseases: A Stepwise Propensity Score Matching Analysis. - Li, Qiujiang; Gao, Qingyang; Wang, Lei; Liu, Limin; Yang, Huiliang; Song, Yueming (Orthopaedic Surgery, 2024)