Heidari, S. M., & Zamani-Alavijeh, Z. "Comparative Controlled Study of Preventive Effect of Combinations of Ketamine and Metoclopramide vs Ketamine and Paracetamol on Postoperative Pain", Journal of Isfahan Medical School, 35, 456, 2017, 1683–1689. doi: 10.22122/jims.v35i456.8408