Prediction of Angle Loss after L4/5 Oblique Lumbar Interbody Fusion : Development of a Risk Stratification Model. - Kim, Se Woon; Lee, Su Hun; Lee, Jun Seok; Lee, Chi Hyung; Kim, Chang Hyeun; Sung, Soon Ki; Son, Dong Wuk; Lee, Sang Weon (Journal of Korean Neurosurgical Society, 2025)