[单选题]

胃气钡双重造影时钡剂的浓度最好是

A.50%~100%W/V

B.100%~150%W/V

C.150%~200%W/V

D.200%~250%W/V

E.250%~300%W/V

参考答案与解析:

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胃气钡双重造影时钡剂的浓度最好是