HACER ŞEBNEM TÜRK; MELTEM AYDOĞMUŞ; OYA ÜNSAL; CANAN TÜLAY IŞIL; BÜLENT CITGEZ; SIBEL OBA; MEHMET EREN AÇIK. Ketamine versus alfentanil combined with propofol for sedation in colonoscopy procedures: A randomized prospective study. Turkish Journal of Gastroenterology, [S. l.], v. 25, n. 6, p. 644–649, 2019. Disponível em: https://tjg.avesjournals.com/index.php/tjg/article/view/3052. Acesso em: 17 jul. 2025.