@article{doi:10.2106/JBJS.H.00913,
author = {Weinstein, James N. and Lurie, Jon D. and Tosteson, Tor D. and Zhao, Wenyan and Blood, Emily A. and Tosteson, Anna N.A. and Birkmeyer, Nancy and Herkowitz, Harry and Longley, Michael and Lenke, Lawrence and Emery, Sanford and Hu, Serena S.},
title = {Surgical Compared with Nonoperative Treatment for Lumbar Degenerative SpondylolisthesisFour-Year Results in the Spine Patient Outcomes Research Trial (SPORT) Randomized and Observational Cohorts},
journal = {The Journal of Bone & Joint Surgery},
volume = {91},
number = {6},
pages = {1295-1304},
year = {2009},
doi = {10.2106/JBJS.H.00913},
URL = { + http://dx.doi.org/10.2106/JBJS.H.00913},
eprint = {}
}