PT - JOURNAL ARTICLE AU - Haoyan Zhong AU - Jashvant Poeran AU - Stavros G Memtsoudis AU - Jiabin Liu TI - Reply to ‘Can we trust the black box?’ AID - 10.1136/rapm-2021-103336 DP - 2021 Dec 06 TA - Regional Anesthesia & Pain Medicine PG - rapm-2021-103336 4099 - http://rapm.bmj.com/content/early/2021/12/06/rapm-2021-103336.short 4100 - http://rapm.bmj.com/content/early/2021/12/06/rapm-2021-103336.full