RT Journal Article SR Electronic T1 Response to the concerns about erector spinae plane block and anterior sympathetic chain spread JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 1028 OP 1028 DO 10.1136/rapm-2020-101458 VO 45 IS 12 A1 Li, Hao A1 Zheng, Xiaochun YR 2020 UL http://rapm.bmj.com/content/45/12/1028.2.abstract AB