Clawson, Jeff J., <br/><br/>
Principles of emergency medical dispatch / 
Jeff J. Clawson, Kate Boyd Dernocoeur, Cynthia Murrary. 
 - Fifth edition. 
 - xv, 1 volume (various pagings) :  illustrations ;  28 cm. 
<br/><br/><label>ISBN: </label>0965889025 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ambulance service--Dispatching.<br/>Communication in emergency medicine.<br/>Emergency Medical Technicians.<br/>First aid.<br/>Telephone.