Research Design and Methods:A retrospective cohort study using data obtained from the VHA Diabetes Epidemiology Cohort was employed.
研究设计和方法：采用VHA糖尿病流行病学队列进行一项回顾性队列研究。
Research Design and Methods:A retrospective cohort study using data obtained from the VHA Diabetes Epidemiology Cohort was employed.
研究设计和方法：采用VHA糖尿病流行病学队列进行一项回顾性队列研究。
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