共 20 条
[1]
ALDRETE JS, 1976, AM J GASTROENTEROL, V65, P3
[4]
CARLSEN E N, 1976, Journal of Clinical Ultrasound, V4, P85, DOI 10.1002/jcu.1870040205
[5]
DUVAUFERRIER R, 1980, J RADIOL, V61, P559
[9]
KANE RA, 1982, RADIOLOGY, V142, P453, DOI 10.1148/radiology.142.2.7054836