KHOSHFETRAT, M.; BEIRAMI, F.; SAFAR PANAH, F.; KEYKHA, A. A Comparison of Premedication Injections of Magnesium Sulfate, Ketamine and Lidocaine on the severity of Pain Induced by Intravenous Injection of Propofol. Archives of Anesthesiology and Critical Care, v. 3, n. 4, p. 382-384, 28 out. 2017.