TY - JOUR AU - Alvi, F AU - Williamson, JB AU - Dashti, H AU - Mohammad, S AU - Ross, ERS AU - Oxborrow, NJ DO - doi:10.1302/1358-992X.94BSUPP_IV.BOA021 UR - https://doi.org/10.1302/1358-992X.94BSUPP_IV.BOA021 TI - ARE 2 YEAR OUTCOME STUDIES NECESSARY IN SPINAL SURGERY? T2 - Orthopaedic Proceedings VL - 94-B IS - SUPP_IV PY - 2012 SP - 21 EP - 21 ER -