共 26 条
- [1] BARNES RW, 1975, DOPPLER ULTRASONIC E
- [3] BLEICHER SJ, 1978, ANN INTERN MED, V88, P712
- [5] DISMUKE SE, 1978, ANN INTERN MED, V88, P713
- [7] FREEMAN WE, 1978, ANN INTERN MED, V88, P713
- [8] HULL R, 1979, NEW ENGL J MED, V301, P855, DOI 10.1056/NEJM197910183011602
- [9] JACKSON D C, 1975, Journal of the Canadian Association of Radiologists, V26, P139