@article{doi:10.2106/JBJS.J.01473,
author = {Zywiel, Michael G. and Stroh, D. Alex and Lee, Seung Yong and Bonutti, Peter M. and Mont, Michael A.},
title = {Chronic Opioid Use Prior to Total Knee Arthroplasty},
journal = {The Journal of Bone & Joint Surgery},
volume = {93},
number = {21},
pages = {1988-1993},
year = {2011},
doi = {10.2106/JBJS.J.01473},
URL = { + http://dx.doi.org/10.2106/JBJS.J.01473},
eprint = {}
}