Tolbutamide mortality in the six "phenformin clinics".
D003920:Diabetes Mellitus / Q000188:drug therapy / Q000401:mortality; D006801:Humans; D010629:Phenformin / Q000633:toxicity*; D014044:Tolbutamide / Q000633:toxicity*
D014044:Tolbutamide; D010629:Phenformin