哪种显像剂诊断慢性骨髓炎最佳()。
A.99mTc-MDP
B.67Ga-枸橼酸镓
C.99mTc-DMSA
D.99mTc-PMT
E.99mTc-MIBI
参考答案:B
The difference in thickness and weight from the earlier version makes the iPad 2 more
comfortable ________. [ ]
A. held
B. holding
C. be held
D. to hold
患者,女性,40岁,反复发作呼气性呼吸困难3年,引起呼气性呼吸困难最常见的病因是()
A.气管异物
B.大气道肿瘤
C.大片肺组织实变
D.大量胸腔积液
E.小气道痉挛