@article{doi:10.2106/JBJS.G.00858,
author = {Friedly, Janna and Chan, Leighton and Deyo, Richard},
title = {Geographic Variation in Epidural Steroid Injection Use in Medicare Patients},
journal = {The Journal of Bone & Joint Surgery},
volume = {90},
number = {8},
pages = {1730-1737},
year = {2008},
doi = {10.2106/JBJS.G.00858},
URL = { + http://dx.doi.org/10.2106/JBJS.G.00858},
eprint = {}
}