title: Letter: Prostaglandins and non-visualization at cholecystography.
mesh_terms: D001241:Aspirin / Q000494:pharmacology; D002765:Cholecystography; D005704:Gallbladder / Q000032:analysis*; D006801:Humans; D009132:Muscles / Q000032:analysis; D011453:Prostaglandins / Q000032:analysis* / Q000096:biosynthesis
chemical_list: D011453:Prostaglandins; D001241:Aspirin