(1)
Türk, H. Şebnem; Aydoğmuş, M.; Ünsal, O.; Işıl, C. T.; Citgez, B.; Oba, S.; Açık, M. E. Ketamine Versus Alfentanil Combined With Propofol for Sedation in Colonoscopy Procedures: A Randomized Prospective Study. Turkish Journal of Gastroenterology 2014, 25, 644-649.