共 11 条
[1]
ALLAN LD, 1980, BRIT HEART J, V44, P444
[4]
GARSON A, 1981, PEDIATRIC CARDIAC DY
[6]
HATLE L, 1982, DOPPLER ULTRASOUND C, P58
[7]
HUHTA JC, 1984, J REPROD MED, V29, P162
[8]
KLEINMAN CS, 1980, PEDIATRICS, V65, P1059
[10]
REED K, 1983, DOPPLER FLOW VELOCIT