%0 Journal Article %A S Seitsalo %A K Osterman %A H Hyvarinen %A D Schlenzka %A M Poussa %T Severe spondylolisthesis in children and adolescents. A long-term review of fusion in situ %D 1990 %J The Journal of Bone & Joint Surgery British Volume %P 259-265 %V 72-B %N 2 %R 10.1302/0301-620X.72B2.2312566 %U https://doi.org/10.1302/0301-620X.72B2.2312566 %K