Kamilcelebi, N., F. Ozdemir, and S. Okul. “Frequency of Complications Due to Sedation in Patients Undergoing Gastrointestinal Endoscopy”. Annals of Medical Research, vol. 28, no. 7, July 2021, pp. 1336-40, http://www.annalsmedres.org/index.php/aomr/article/view/3845.