1. Phenformin was once widely used as an antidiabetic medication before it was withdrawn from the market due to safety concerns.(Phenformin曾广泛用作降糖药物,但由于安全问题而被撤回市场。)
2. The use of phenformin has been linked to an increased risk of lactic acidosis, a potentially life-threatening condition.(使用Phenformin与乳酸中毒风险增加有关,后者可能危及生命。)