Echocardiographic Analysisi of St. Jude Hemodynamic Plus Valve in Aortic Position-Is There an Independent Index to Indicate Valve Obstruction?

CHUNG-I CHANG2018-09-102018-09-102003http://scholars.lib.ntu.edu.tw/handle/123456789/304934Echocardiographic Analysisi of St. Jude Hemodynamic Plus Valve in Aortic Position-Is There an Independent Index to Indicate Valve Obstruction?journal article