@article{doi:10.1302/0301-620X.70B5.2973465,
author = {Waddell, G and Reilly, S and Torsney, B and Allan, DB and Morris, EW and Di Paola, MP and Bircher, M and Finlayson, D},
title = {Assessment of the outcome of low back surgery},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {70-B},
number = {5},
pages = {723-727},
year = {1988},
doi = {10.1302/0301-620X.70B5.2973465},
url = {https://doi.org/10.1302/0301-620X.70B5.2973465}
}