title: Drug substitution.
mesh_terms: D000368:Aged; D003920:Diabetes Mellitus / Q000188:drug therapy*; D011307:Drug Prescriptions / Q000592:standards*; D005260:Female; D006801:Humans; D013810:Therapeutic Equivalency; D014044:Tolbutamide / Q000592:standards* / Q000627:therapeutic use
chemical_list: D014044:Tolbutamide