@article{doi:10.1302/0301-620X.68B5.3536939,
author = {Nordstrom, RE and Lahdenranta, TV and Kaitila and Laasonen, EM},
title = {Familial spondylolisthesis of the axis vertebra},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {68-B},
number = {5},
pages = {704-706},
year = {1986},
doi = {10.1302/0301-620X.68B5.3536939},
url = {https://doi.org/10.1302/0301-620X.68B5.3536939}
}