TY  - JOUR
AU  - Till, Kenneth
DO  - doi:10.1302/0301-620X.51B3.415
UR  - https://doi.org/10.1302/0301-620X.51B3.415
TI  - SPINAL DYSRAPHISM 
T2  - The Journal of Bone & Joint Surgery British Volume
VL  - 51-B
IS  - 3
PY  - 1969
SP  - 415
EP  - 422
ER  -