23.Evacuative proctography(或稱defecography)一般所採用的顯影劑為:
(A)thin barium
(B)moderate density barium
(C) very high density barium
(D)iodinated contrast medium
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統計: A(47), B(49), C(255), D(55), E(0) #1061218
統計: A(47), B(49), C(255), D(55), E(0) #1061218