Roush,William R. <br/><br/>
Principles of EMS systems / William R. Roush, 

 - 2nd ed. 
 - Dallas, Tex. (P.O. Box 619911, Dallas, Texas  75261-9911) : American College of Emergency Physicians 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Emergency medical services.
<br/><br/><label>Dewey Class. No.: </label>362.18 ROU