ÜSTÜNDAĞ, Yücel; SARITAŞ, Ülkü; PONCHON, Thierry. Unsedated small caliber esophagogastroduodenoscopy: Can we trust this technique?. Turkish Journal of Gastroenterology, [S. l.], v. 22, n. 3, p. 237–242, 2011. DOI: 10.4318/tjg.2011.0207. Disponível em: https://www.turkjgastroenterol.org/index.php/tjg/article/view/1917. Acesso em: 1 jan. 2026.