PT - JOURNAL ARTICLE AU - Zhaosheng Jin AU - Thomas Durrands AU - Ru Li AU - Tong Joo Gan AU - Jun Lin TI - Pectoral block versus paravertebral block AID - 10.1136/rapm-2021-102662 DP - 2021 Apr 01 TA - Regional Anesthesia & Pain Medicine PG - rapm-2021-102662 4099 - http://rapm.bmj.com/content/early/2021/04/01/rapm-2021-102662.short 4100 - http://rapm.bmj.com/content/early/2021/04/01/rapm-2021-102662.full