(1)
Çam, H.; Pehlivan, S.; Dağ, M. S.; Yılmaz, N.; Demir, U.; Gülşen, M. T. Study of Ideal Topical Pharyngeal Anesthesia in Upper Gastrointestinal System Endoscopy: A Double-Blind, Randomized, Controlled Trial. Turkish Journal of Gastroenterology 2016, 27, 103-107.