The effect of topical pharyngeal anesthesia with Flurbiprofen plus Lidocaine spray vs Lidocaine spray before unsedated upper gastrointestinal endoscopy - Busuioc, D; Barica, M; Bilous, D M; Pasare, M; Buza, B; Vlăduț, C; Ciocîrlan, M (Endoscopy, 2025)