单项选择题
A1/A2型题
丁哌卡因用于神经阻滞常选择的浓度是()
A.0.1%~0.2%
B.0.15%~0.25%
C.0.25%~0.3%
D.0.25%~0.5%
E.0.25%~0.75%
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