İbiş, M., Arhan, M., İbiş, T., Önal, İbrahim K., Erdal, H., & Utku, Özlem G. (2015). Lidocaine versus lidocaine plus benzydamine as a topical anesthesia regimen for unsedated upper gastrointestinal endoscopy: A comparison study. Turkish Journal of Gastroenterology, 26(3), 224–227. https://doi.org/10.5152/tjg.2015.0090