Chohedri, A., M. Nikkho, and M. Hosseini. “Comparison Of Analgesic Effects Of Tramadol And Lidocaine In Reduction of Propofol Induced Pains”. Anaesthesia, Pain & Intensive Care, Vol. 10, no. 1, June 2019, https://mail.apicareonline.com/index.php/APIC/article/view/894.