title: [Letter: Duodenogastric reflux].
mesh_terms: D004378:Duodenal Diseases / Q000175:diagnosis* / Q000188:drug therapy; D004381:Duodenal Ulcer / Q000175:diagnosis; D004386:Duodenum; D005773:Gastroscopy; D006801:Humans; D007419:Intestinal Secretions; D013272:Stomach Diseases / Q000175:diagnosis* / Q000188:drug therapy; D013276:Stomach Ulcer / Q000175:diagnosis
vernacular_title: Duodenogastrischer Reflux