Dmytriiev, D. V., Glazov, E. O., Zaletskyi, B. V. and Dmytriieva, K. Y. (2021) “Ultrasound-guided Quadratus Lumborum Block versus caudal block for postoperative analgesia in children undergoing acute appendicitis: a comparative study”, Pain medicine, 5(4), pp. 23–29. doi: 10.31636/pmjua.v5i4.4.