1.
Güler Doğanay, Perihan Ekmekçi, Baturay Kansu Kazbek, Hakan Yılmaz, Gülbanu Erkan, Filiz Tüzüner. Effects of alfentanil or fentanyl added to propofol for sedation in colonoscopy on cognitive functions: Randomized controlled trial. Turkish Journal of Gastroenterology [Internet]. 2019 Jul. 25 [cited 2025 Jul. 6];28(6):453-9. Available from: https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/3450