共 13 条
- [1] FINBERG HJ, 1980, 25TH P ANN M AM I UL, P17
- [2] GRAMIAK R, 1975, CARDIAC ULTRASOUND, P29
- [3] HAMER HG, COMMUNICATION
- [4] LEVITT MD, 1970, GASTROENTEROLOGY, V59, P921
- [6] DIAGNOSIS OF TRICUSPID REGURGITATION BY CONTRAST ECHOCARDIOGRAPHY [J]. CIRCULATION, 1981, 63 (05) : 1093 - 1099
- [8] THE SOURCE OF ULTRASOUND CONTRAST EFFECT [J]. JOURNAL OF CLINICAL ULTRASOUND, 1980, 8 (02) : 121 - 127