共 7 条
[2]
KAUDE J V, 1978, Journal of Clinical Ultrasound, V6, P321, DOI 10.1002/jcu.1870060507
[4]
POLLACK HM, 1977, ABDOMINAL GRAY SCALE, P280
[5]
ROSENFIELD AT, 1979, GENITOURINARY ULTRAS, P1