Before the test, the patient will be given a local anesthetic (a drug that causes a loss of feeling for a short period of time).
Before the test, the patient will be given a local anesthetic (a drug that causes a loss of feeling for a short period of time).
在试验中,病人可以在一个局部麻醉剂(一种药品,造成的损失感到很短的时间时间).