@article{doi:10.1302/0301-620X.60B4.711794,
author = {Porter, RW and Hibbert, CS and Wicks, M},
title = {The spinal canal in symptomatic lumbar disc lesions},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {60-B},
number = {4},
pages = {485-487},
year = {1978},
doi = {10.1302/0301-620X.60B4.711794},
url = {https://doi.org/10.1302/0301-620X.60B4.711794}
}