@inbook{1102567806, author={Christopher Edwards, MD}, editor={Freeman, Brian S. and Berger, Jeffrey S.}, title={The ASA Difficult Airway Algorithm}, 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=1102567806} }