TY  - BOOK
AU  - OH  J.K.SEWARD  J.B.,TAJIK, A.J.
AU  - SEWARD, J  .
TI  - THE ECHO MANUAL / 
SN  - 9788189836146
U1  - 616.1 
PY  - 2007///
CY  - NULL : 
PB  - BLACKWELL OXFORD , 
KW  - CARDIOLOGY
ER  -