共 17 条
[2]
BERK RN, 1977, RADIOLOGY GALLBLADDE, P232
[4]
CARTER SJ, 1978, J CLIN ULTRASOUND, V6, P433, DOI 10.1002/jcu.1870060622
[6]
CROW H C, 1976, Journal of Clinical Ultrasound, V4, P289, DOI 10.1002/jcu.1870040412