[Technic of local anesthesia during esophagogastroduodenoscopy].
D000772:Anesthesia, Local / Q000379:methods*; D004386:Duodenum; D004724:Endoscopy; D004945:Esophagoscopy; D005773:Gastroscopy; D006801:Humans
K tekhnike mestnoĭ anestezii pri ezofagogastroduodenoskopii