共 30 条
[1]
ALTIERI LA, 1991, J ULTRAS MED, V10, pS19
[4]
BOURNE TH, 1990, J ULTRASOUND MED S, V9, pS31
[5]
CAMPBELL S, 1990, J ULTRAS MED, V9, pS93
[6]
CARTIER MS, 1991, J ULTRASOUND MED S, V10, pS20
[8]
COPEL JA, 1991, OBSTET GYNECOL, V78, P1
[10]
Devore GR, 1985, ECHOCARDIOGR-J CARD, V2, P551