RT Journal Article SR Electronic T1 Correction: Ultrasound-guided transverse abdominis plane block, ilioinguinal/iliohypogastric nerve block, and quadratus lumborum block for elective open inguinal hernia repair in children: a randomized controlled trial JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP e2 OP e2 DO 10.1136/rapm-2021-103201corr1 VO 47 IS 6 YR 2022 UL http://rapm.bmj.com/content/47/6/e2.abstract AB