TY  - BOOK
AU  - Chang,Sonia
AU  - Chang,John K.
TI  - Echocardiography, techniques and interpretation
SN  - 0812107845
PY  - 1981///
CY  - Philadelphia
PB  - Lea & Febiger
KW  - Ultrasonic cardiography
KW  - Echocardiography
ER  -