@article{doi:10.2106/JBJS.I.00680,
author = {Delamarter, Rick and Zigler, Jack E. and Balderston, Richard A. and Cammisa, Frank P. and Goldstein, Jeffrey A. and Spivak, Jeffrey M.},
title = {Prospective, Randomized, Multicenter Food and Drug Administration Investigational Device Exemption Study of the ProDisc-L Total Disc Replacement Compared with Circumferential Arthrodesis for the Treatment of Two-Level Lumbar Degenerative Disc DiseaseResults at Twenty-four Months},
journal = {The Journal of Bone & Joint Surgery},
volume = {93},
number = {8},
pages = {705-715},
year = {2011},
doi = {10.2106/JBJS.I.00680},
URL = { + http://dx.doi.org/10.2106/JBJS.I.00680},
eprint = {}
}