TY - JOUR AU - Gennari, L AU - Azzarelli, A AU - Quagliuolo, V DO - doi:10.1302/0301-620X.69B4.3611160 UR - https://doi.org/10.1302/0301-620X.69B4.3611160 TI - A posterior approach for the excision of sacral chordoma T2 - The Journal of Bone & Joint Surgery British Volume VL - 69-B IS - 4 PY - 1987 SP - 565 EP - 568 ER -