共 4 条
[1]
BILLIG DM, 1967, ARCH SURG-CHICAGO, V95, P1
[2]
HORGAN J H, 1976, Journal of Clinical Ultrasound, V4, P287, DOI 10.1002/jcu.1870040411
[3]
LEVY JF, 1970, SURGERY, V68, P968
[4]
THOMPSON JE, 1970, SURGERY, V67, P212