RT Journal Article SR Electronic T1 Parasternal block should be performed preoperatively, in response to Drs Seung Cheol Kim and Sibtain Anwar JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP rapm-2022-103776 DO 10.1136/rapm-2022-103776 A1 Sébastien Bloc A1 Cyril Quemeneur A1 Frederic Le Sache A1 Cecile Naudin YR 2022 UL http://rapm.bmj.com/content/early/2022/05/23/rapm-2022-103776.abstract AB