共 50 条
- [41] INVITRO DOPPLER ECHOCARDIOGRAPHIC DETERMINATION OF THE EFFECTIVE ORIFICE AREA OF MECHANICAL HEART-VALVE PROSTHESES [J]. ZEITSCHRIFT FUR KARDIOLOGIE, 1991, 80 (07): : 441 - 448
- [47] NONINVASIVE DETERMINATION OF THE ORIFICE AREA OF AORTIC-VALVE PROSTHESES USING DOPPLER ECHOCARDIOGRAPHY [J]. ZEITSCHRIFT FUR KARDIOLOGIE, 1987, 76 : 113 - 113