TY  - BOOK
AU  - Roush,William R.
TI  - Principles of EMS systems / William R. Roush,
U1  - 362.18 ROU 
CY  - Dallas, Tex. (P.O. Box 619911, Dallas, Texas  75261-9911) : American College of Emergency Physicians
KW  -  Emergency medical services
ER  -