Original ResearchPublished 12 October 2026Comparative analysis of three-year outcomes of different interbody fusion approaches for grade I-II lumbar spondylolisthesis with spinal stenosisJian Luo · Li-Hua Shen · Teng-Fei Zhao · Chang-Shen Bao · Zhi-Chao Gao · Yong-Jun Meng · Guo-Fu ZhengFrontiers in Surgerydoi 10.3389/fsurg.2026.1847229