TY  - BOOK
AU  - Friedewald,Vincent E.
TI  - Textbook of echocardiography 
SN  - 0721639194
AV  - RC683.5.U5 F74
PY  - 1977///
CY  - Philadelphia 
PB  - Saunders
KW  - Echocardiography
ER  -