3D-printed porous titanium versus polyetheretherketone cages in lateral lumbar interbody fusion: a systematic review and meta-analysis of subsidence. - Liu, Shu-Xin; Zeng, Teng-Hui; Chen, Chien-Min; He, Li-Ru; Feng, An-Ping; Jhang, Shang-Wun; Lin, Guang-Xun (Frontiers in medicine, 2025)