Letter: Oral agents for diabetes.
D000284:Administration, Oral; D002170:Canada; D003920:Diabetes Mellitus / Q000188:drug therapy*; D006801:Humans; D013453:Sulfonylurea Compounds / Q000627:therapeutic use; D014044:Tolbutamide / Q000627:therapeutic use*
D013453:Sulfonylurea Compounds; D014044:Tolbutamide