27.小兒腸套疊(intussusception)施行鋇劑灌腸復整術(barium enema reduction),通常鋇劑距離檢查台的高度
上限約為何?
(A)3英呎
(B)2英呎
(C)1英呎
(D)5英吋
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統計: A(1927), B(517), C(193), D(343), E(0) #2179991
統計: A(1927), B(517), C(193), D(343), E(0) #2179991