TY - JOUR AU - MOONEY, V. DO - doi:10.1302/0301-620X.82B2.0820307c UR - https://doi.org/10.1302/0301-620X.82B2.0820307c TI - Degenerative spondylolisthesis: developmental or acquired T2 - The Journal of Bone & Joint Surgery British Volume VL - 82-B IS - 2 PY - 2000 SP - 307 EP - 308 ER -