title: Controlled clinical trial of barium sulfate suspensions for upper gastrointestinal x-ray examinations.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001466:Barium Sulfate; D002986:Clinical Trials as Topic; D003287:Contrast Media; D004064:Digestive System / Q000000981:diagnostic imaging*; D004338:Drug Combinations; D005069:Evaluation Studies as Topic; D005260:Female; D005765:Gastrointestinal Agents / Q000494:pharmacology; D005769:Gastrointestinal Motility / Q000187:drug effects; D006801:Humans; D008297:Male; D008875:Middle Aged; D009994:Osmolar Concentration; D010368:Pectins / Q000494:pharmacology; D011859:Radiography; D013012:Sorbitol / Q000494:pharmacology; D013535:Suspensions; D014574:Uronic Acids / Q000494:pharmacology; D014783:Viscosity
chemical_list: D003287:Contrast Media; D004338:Drug Combinations; D005765:Gastrointestinal Agents; D013535:Suspensions; D014574:Uronic Acids; D001466:Barium Sulfate; D013012:Sorbitol; D010368:Pectins