@article{doi:10.1001/jama.2011.735,
author = {Perla RJ},
title = {THe physics of health care improvement},
journal = {JAMA},
volume = {305},
number = {21},
pages = {2223-2224},
year = {2011},
doi = {10.1001/jama.2011.735},
URL = { + http://dx.doi.org/10.1001/jama.2011.735},
eprint = {/data/Journals/JAMA/20330/jco15065_2223_2224.pdf}
}