%0 Journal Article %A Kenneth Till %T SPINAL DYSRAPHISM %D 1969 %J The Journal of Bone & Joint Surgery British Volume %P 415-422 %V 51-B %N 3 %R 10.1302/0301-620X.51B3.415 %U https://doi.org/10.1302/0301-620X.51B3.415 %K