@inbook{55872373, author={Brian K. Ross and Dolores M. McKeen}, editor={Hung, Orlando and Murphy, Michael F.}, title={Chapter 49. What Is Unique About the Obstetrical Airway?}, booktitle={Management of the Difficult and Failed Airway, 2e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2012}, url={accessanesthesiology.mhmedical.com/content.aspx?aid=55872373} }