摘要
To the Editor： With interest, we read the article by Kwon et al. about a single patient with Kearns-Sayre syndrome （KSS）, who successfully and without complications underwent peripheral nerve block for multiple muscle biopsies. We have the following comments and concerns.
To the Editor： With interest, we read the article by Kwon et al. about a single patient with Kearns-Sayre syndrome （KSS）, who successfully and without complications underwent peripheral nerve block for multiple muscle biopsies. We have the following comments and concerns.
