@article{doi:10.2106/JBJS.G.01186,
author = {Helenius, Ilkka and Remes, Ville and Poussa, Mikko},
title = {Uninstrumented in Situ Fusion for High-Grade Childhood and Adolescent Isthmic Spondylolisthesis: Long-Term OutcomeSurgical Technique},
journal = {The Journal of Bone & Joint Surgery},
volume = {90},
number = {Supplement_2__Part_1},
pages = {145-152},
year = {2008},
doi = {10.2106/JBJS.G.01186},
URL = { + http://dx.doi.org/10.2106/JBJS.G.01186},
eprint = {}
}