@article{doi:10.2106/JBJS.I.01080,
author = {Wadgaonkar, Ajay D. and Schneider, Eric C. and Bhattacharyya, Timothy},
title = {Physician Tiering by Health Plans in Massachusetts},
journal = {The Journal of Bone & Joint Surgery},
volume = {92},
number = {12},
pages = {2204-2209},
year = {2010},
doi = {10.2106/JBJS.I.01080},
URL = { + http://dx.doi.org/10.2106/JBJS.I.01080},
eprint = {}
}