title: Duodenoscopy.
mesh_terms: D002769:Cholelithiasis / Q000175:diagnosis; D004381:Duodenal Ulcer / Q000175:diagnosis*; D004386:Duodenum; D019723:Endoscopes; D005260:Female; D042882:Gallstones / Q000175:diagnosis; D006801:Humans; D008875:Middle Aged