title: [Surgical retractor facilitating the approach to the major duodenal papilla].
mesh_terms: D014670:Ampulla of Vater / Q000601:surgery*; D006801:Humans; D013525:Surgical Instruments
vernacular_title: Khirurgicheskiĭ kriuchok, oblegchaiushchiĭ dostup k bol'shomu duodenal'nomu sosochku.