试题与答案

经皮球囊肺动脉瓣成形术(percutaneous balloon pulmonary

题型:单项选择题

题目:

经皮球囊肺动脉瓣成形术(percutaneous balloon pulmonary valvuloplasty,PBPV)临床有效率为()

A.95%

B.85%

C.75%

D.65%

E.50%

答案:

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1. could be put in prison 2. whom he could turn for help 3.was he willing to 4.was so fond of5. where you spent your holiday 6. to land on the mo...

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