Endoscopic-guided versus cotton-tipped applicator methods of nasal anesthesia for transnasal esophagogastroduodenoscopy.
Maffei
Massimo
M
Dumonceau
Jean-Marc
JM
D000758:Anesthesia; D016145:Endoscopy, Digestive System / Q000379:methods; D006801:Humans; D009666:Nose