title: Colonoscopy preparation: is it better from above or below?
mesh_terms: D000368:Aged; D001145:Arrhythmias, Cardiac / Q000209:etiology; D001466:Barium Sulfate; D003113:Colonoscopy; D004733:Enema; D006352:Heart Ventricles; D006801:Humans; D011092:Polyethylene Glycols / Q000009:adverse effects; D012981:Sodium Tetradecyl Sulfate / Q000009:adverse effects; D007507:Therapeutic Irrigation / Q000009:adverse effects
chemical_list: D001466:Barium Sulfate; D011092:Polyethylene Glycols; D012981:Sodium Tetradecyl Sulfate