Not applicableUnknownNCT01785173
What this trial is testing
Endoscopic-guided Versus Cotton-tipped Applicator Gauze Pledgetting for Nasal Anesthesia Before Transnasal Endoscopy
Who this might be right for
Methods of Nasal Anesthesia Before Transnasal EndoscopySide Effects of Transnasal EndoscopyPatient's Tolerance to Transnasal Endoscopy
Buddhist Tzu Chi General Hospital 242