共 5 条
[1]
DURELL M, 1985, DOPPLER ECHOCARDIOGR, P515
[2]
GUTHANER DF, 1979, RADIOLOGY, V133, P1
[3]
MATHEW M, 1984, AM J CARDIOL, V54, P379
[5]
OMOTO R, 1984, COLOR ATLAS REAL TIM