小儿硬膜外阻滞时,利多卡因宜用()
A:0.7~1.5%,1~2mg/kg
B:1~2%,4~5mg/kg
C:0.7~1.5%,8~10mg/kg
D:1.5~2%,5~7mg/kg
E:2%,10mg/kg
出自:儿外科住院医师