共 14 条
[3]
AZIZ KU, 1978, AM J CARDIOL, V41, P543, DOI 10.1016/0002-9149(78)90013-9
[5]
DOESBURG NH, 1983, CIRCULATION, V68, P733
[7]
HAGLER DJ, 1975, MAYO CLIN PROC, V50, P69
[8]
HATLE L, 1982, DOPPLER ULTRASOUND C, P102