TY - JOUR AU - Mehdian, S M H AU - Freeman, B J C AU - Woo-Kie, M AU - Littlewood, A DO - doi:10.1302/0301-620X.91BSUPP_III.0910479b UR - https://doi.org/10.1302/0301-620X.91BSUPP_III.0910479b TI - REDUCTION OF HIGH GRADE ADOLESCENT ISTHMIC SPONDYLOLISTHESIS USING A THREE-STAGE SHORTENING PROCEDURE T2 - Orthopaedic Proceedings VL - 91-B IS - SUPP_III PY - 2009 SP - 479 EP - 479 ER -