TY  - JOUR
AU  - Laurence, M.
DO  - doi:10.1302/0301-620X.89B4.0890564b
UR  - https://doi.org/10.1302/0301-620X.89B4.0890564b
TI  - Orthopaedic knowledge update: Spine. 3rd rev. ed.
T2  - The Journal of Bone & Joint Surgery British Volume
VL  - 89-B
IS  - 4
PY  - 2007
SP  - 564
EP  - 564
ER  -