Hannallah MS, Lopatin J, Cestare T, Tefera E, Cai L. Lidocaine added to propofol decreases the severity but not the frequency of pain on injection compared to injecting lidocaine before propofol in patients undergoing colonoscopy. apic [Internet]. 18Jan.2019 [cited 3Jul.2024];:308-11. Available from: https://apicareonline.com/index.php/APIC/article/view/66