%0 Journal Article %A L Gennari %A A Azzarelli %A V Quagliuolo %T A posterior approach for the excision of sacral chordoma %D 1987 %J The Journal of Bone & Joint Surgery British Volume %P 565-568 %V 69-B %N 4 %R 10.1302/0301-620X.69B4.3611160 %U https://doi.org/10.1302/0301-620X.69B4.3611160 %K