20.下列何種膽道攝影無需使用對比劑?
(A)percutaneous transhepatic cholangiography(PTC)
(B)endoscopic retrograde cholangiopancreatography(ERCP)
(C)postoperative cholangiography
(D)magnetic resonance cholangiopancreatography(MRCP)
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統計: A(35), B(187), C(67), D(791), E(0) #1052975
統計: A(35), B(187), C(67), D(791), E(0) #1052975