共 10 条
[2]
GIBSON JY, 1980, RADIOLOGY, V134, P264, DOI 10.1148/radiology.134.1.264
[4]
LEE TG, 1978, ULTRASOUND MEDICINE, V4, P191
[6]
MILLBOURN E, 1960, Acta Chir Scand, V118, P286