TY  - BOOK
AU  - Aehlert,Barbara
TI  - Pocket reference for ECGs made easy / 
SN  - 9780323039703
U1  - 616.1207547 
PY  - 2007///
CY  - Philadelphia : 
PB  - Elsevier , 
KW  - REFERENCE BOOK
N1  - Includes index
ER  -