title: Treatment of chronic constipation with lactulose syrup: results of a double-blind study.
mesh_terms: D000368:Aged; D002400:Cathartics / Q000627:therapeutic use*; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D003248:Constipation / Q000188:drug therapy*; D004187:Disaccharides / Q000627:therapeutic use*; D005260:Female; D005947:Glucose / Q000627:therapeutic use; D006801:Humans; D008297:Male; D010919:Placebos
chemical_list: D002400:Cathartics; D004187:Disaccharides; D010919:Placebos; D005947:Glucose