TY - JOUR T1 - Pectoral block versus paravertebral block JF - Regional Anesthesia & Pain Medicine JO - Reg Anesth Pain Med DO - 10.1136/rapm-2021-102662 SP - rapm-2021-102662 AU - Zhaosheng Jin AU - Thomas Durrands AU - Ru Li AU - Tong Joo Gan AU - Jun Lin Y1 - 2021/04/01 UR - http://rapm.bmj.com/content/early/2021/04/01/rapm-2021-102662.abstract N2 - ER -