@article{doi:10.1001/jama.2012.88179,
author = {Colla C and Fisher E and Skinner J},
title = {SAvings from the medicare physician group practice demonstration—reply},
journal = {JAMA},
volume = {309},
number = {1},
pages = {30-31},
year = {2013},
doi = {10.1001/jama.2012.88179},
URL = { + http://dx.doi.org/10.1001/jama.2012.88179},
eprint = {/data/Journals/JAMA/926163/jlt120148_31_31.pdf}
}