@inbook{56251138,
author={Robert M. Wachter},
title={Chapter 12. Patient Safety in the Ambulatory Setting},
booktitle={Understanding Patient Safety, 2e},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2012},
url={accessmedicine.mhmedical.com/content.aspx?aid=56251138}
}