实施局部麻醉时关于口罩使用的有关规定？

What is the current practice regarding the use of face masks when placing regional anesthetic techniques?

youdao

实施区域麻醉技术时，是否需要戴口罩？有何依据？

Is there any evidence that surgical face masks should be worn when placing regional anesthetic techniques?

youdao

实施区域麻醉技术时，是否需要戴口罩？有何依据？

Is there any evidence that surgical face masks should be worn when placing regional anesthetic techniques?

youdao