%0 Journal Article %A JA Fitzgerald %A PH Newman %T Degenerative spondylolisthesis %D 1976 %J The Journal of Bone & Joint Surgery British Volume %P 184-192 %V 58-B %N 2 %R 10.1302/0301-620X.58B2.932080 %U https://doi.org/10.1302/0301-620X.58B2.932080 %K