@article{doi:10.1302/0301-620X.39B1.6,
author = {Morgan, Francis P. and King, Thomas},
title = {PRIMARY INSTABILITY OF LUMBAR VERTEBRAE AS A COMMON CAUSE OF LOW BACK PAIN},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {39-B},
number = {1},
pages = {6-22},
year = {1957},
doi = {10.1302/0301-620X.39B1.6},
url = {https://doi.org/10.1302/0301-620X.39B1.6}
}