Shirmohammadie M, Ebrahim Soltani A, Arbabi S, Nasseri K. A randomized-controlled, double-blind study to evaluate the efficacy of caudal midazolam, ketamine and neostigmine as adjuvants to bupivacaine on postoperative analgesic in children undergoing lower abdominal surgery. Acta Biomed [Internet]. 2019 Jan. 15 [cited 2026 Jan. 30];89(4):513-8. Available from: https://www.mattioli1885journals.com/index.php/actabiomedica/article/view/5775