题目内容
溃疡病急性穿孔的诊断中，下列哪项是的（ ）。
2021-10-11
A.应有溃疡病史
B.75%可发生肝浊音界缩小或消失
C.X线检査80%可见膈下游离气体
D.有腹肌紧张或“板状腹”表现
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