RT Journal Article SR Electronic T1 Reply to Dr Nielsen et al and to Dr Aksu et al JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 686 OP 686 DO 10.1136/rapm-2019-100503 VO 44 IS 6 A1 De Cassai, Alessandro A1 Sgarabotto, Camilla A1 Dal Cin, Stefano YR 2019 UL http://rapm.bmj.com/content/44/6/686.abstract AB