TY  - JOUR
AU  - Seitsalo, S
AU  - Osterman, K
AU  - Hyvarinen, H
AU  - Schlenzka, D
AU  - Poussa, M
DO  - doi:10.1302/0301-620X.72B2.2312566
UR  - https://doi.org/10.1302/0301-620X.72B2.2312566
TI  - Severe spondylolisthesis in children and adolescents. A long-term review of fusion in situ
T2  - The Journal of Bone & Joint Surgery British Volume
VL  - 72-B
IS  - 2
PY  - 1990
SP  - 259
EP  - 265
ER  -