title: Endoscopic retrograde cholangiopancreatography. --an analysis of 320 cases--.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001660:Biliary Tract Diseases / Q000000981:diagnostic imaging; D002758:Cholangiography / Q000379:methods*; D004724:Endoscopy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010182:Pancreatic Diseases / Q000000981:diagnostic imaging