title: A comparison of three substances used for bowel preparation prior to radiological examination.
mesh_terms: D001466:Barium Sulfate; D002400:Cathartics / Q000008:administration & dosage*; D002986:Clinical Trials as Topic; D004733:Enema; D006801:Humans; D007420:Intestine, Large / Q000000981:diagnostic imaging*; D010636:Phenols / Q000008:administration & dosage*; D012676:Senna Extract / Q000008:administration & dosage* / Q000009:adverse effects; D013386:Succinates / Q000008:administration & dosage*; D014567:Urography
chemical_list: D002400:Cathartics; D010636:Phenols; D013386:Succinates; D001466:Barium Sulfate; D012676:Senna Extract