TY - JOUR T1 - Pectoral block versus paravertebral block: methodological concerns JF - Regional Anesthesia & Pain Medicine JO - Reg Anesth Pain Med DO - 10.1136/rapm-2021-102549 SP - rapm-2021-102549 AU - Jeetinder Kaur Makkar AU - Narinder P Singh AU - Nidhi Bhatia Y1 - 2021/04/01 UR - http://rapm.bmj.com/content/early/2021/04/01/rapm-2021-102549.abstract N2 - ER -