RT Journal Article SR Electronic T1 Pericapsular nerve group (PENG) block: an ethical and academic perspective JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 904 OP 905 DO 10.1136/rapm-2019-100456 VO 44 IS 9 A1 Michael Gofeld YR 2019 UL http://rapm.bmj.com/content/44/9/904.abstract AB