title: A controlled trial of laxatives in geriatric patients.
mesh_terms: D000368:Aged; D000880:Anthraquinones / Q000627:therapeutic use*; D002400:Cathartics / Q000009:adverse effects / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D003248:Constipation / Q000188:drug therapy; D006801:Humans; D010919:Placebos; D011108:Polymers / Q000627:therapeutic use; D011409:Propylene Glycols / Q000627:therapeutic use*
chemical_list: D000880:Anthraquinones; D002400:Cathartics; D010919:Placebos; D011108:Polymers; D011409:Propylene Glycols