2019. 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 Biomedica Atenei Parmensis. 89, 4 (Jan. 2019), 513–518. DOI:https://doi.org/10.23750/abm.v89i4.5775.