Yücel ÜSTÜNDAĞ, Ülkü SARITAŞ, & Thierry PONCHON. (2019). Unsedated small caliber esophagogastroduodenoscopy: Can we trust this technique?. Turkish Journal of Gastroenterology, 22(3), 237–242. Retrieved from https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/2457