Meléndez HJ, Ramos JR. Efficacy of the Association of Dipyrone and Meperidine in Decreasing the Need of Opioid in Acute Postoperative Pain after Abdominal Surgery. Colomb. J. Anesthesiol. [Internet]. 2010 Apr. 1 [cited 2024 May 2];38(2):165-76. Available from: https://www.revcolanest.com.co/index.php/rca/article/view/572