Walls Ron M. . <br/><br/>
Emergency Airway Management   Textual Documents 

 - 4th ed. . 
 -  Wolters Kluwer /Lippinocott Williams & Wilkins  2012 
 - 447. 
<br/><br/><label>ISBN: </label>9781451144918   
<br/><br/><label>Dewey Class. No.: </label>616.025  / WAL