TY  - BOOK
AU  - Aggarwal , Praveen
AU  - Schwartz,George R.
TI  - Principles and practice of emergency medicine 
SN  - 8172252137
U1  - 616.025 
PY  - 1999///
CY  - Baltimore 
PB  - Williams & Wilkins
KW  -  Emergency Medicine
ER  -