%0 Journal Article %A WR Francis %A JW Fielding %A RJ Hawkins %A J Pepin %A R Hensinger %T Traumatic spondylolisthesis of the axis %D 1981 %J The Journal of Bone & Joint Surgery British Volume %P 313-318 %V 63-B %N 3 %R 10.1302/0301-620X.63B3.7263740 %U https://doi.org/10.1302/0301-620X.63B3.7263740 %K