共 6 条
[1]
FEIGENBAUM H, 1972, ECHOCARDIOGR-J CARD, P155
[2]
JOHNSON ML, 1973, J CLIN ULTRASOUND, V1, P75
[3]
LORTSCHER RH, IN PRESS
[5]
Spangler R D, 1973, J Clin Ultrasound, V1, P126
[6]
SPANGLER RD, 1973, 54TH ANN SESS AM COL