[1]
Güler Doğanay, Perihan Ekmekçi, Baturay Kansu Kazbek, Hakan Yılmaz, Gülbanu Erkan, and Filiz Tüzüner, “Effects of alfentanil or fentanyl added to propofol for sedation in colonoscopy on cognitive functions: Randomized controlled trial”, Turkish Journal of Gastroenterology, vol. 28, no. 6, pp. 453–459, Jul. 2019.