TY  - JOUR
AU  - Duthie, R. B.
DO  - doi:10.1302/0301-620X.55B4.889
UR  - https://doi.org/10.1302/0301-620X.55B4.889
TI  - The Human Spine in Health and Disease
T2  - The Journal of Bone & Joint Surgery British Volume
VL  - 55-B
IS  - 4
PY  - 1973
SP  - 889
EP  - 889
ER  -