共 15 条
[2]
BARTRAM CI, 1979, CLIN RADIOL, V30, P15, DOI 10.1016/S0009-9260(79)80033-1
[5]
FLEISCHER AC, 1980, RADIOL CLIN N AM, V18, P145
[8]
JENSS H, 1980, LEBER MAGEN DARM, V10, P317