TY  - BOOK
AU  - Brown, Lawrence H
AU  - Criss, Elizabeth A
TI  - An introduction to EMS research
SN  - 9780130186836
U1  - 362.18072 BRO 
PY  - 2002///
CY  - Upper Saddle River, NJ
PB  - Pearson Education
KW  - Emergency medical services - Research - Methodology
ER  -