@inbook{1102566019, author={Lakshmi Geddam, MD and Jason Sankar, MD}, editor={Freeman, Brian S. and Berger, Jeffrey S.}, title={Anesthesia Breathing System: Safety Features}, booktitle={Anesthesiology Core Review: Part One Basic Exam}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2014}, url={accessanesthesiology.mhmedical.com/content.aspx?aid=1102566019} }