Department of Endocrinology, Sir Run Run Shaw Hospital, Hangzhou, China;
Departments of Internal Medicine, First Affiliated Hospital, Medical College of Zhejiang University, Hangzhou 310003, China;
Departments of Internal Urology, First Affiliated Hospital, Medical College of Zhejiang University, Hangzhou 310003, China;
Department of Endocrinology, Sir Run Run Shaw Hospital, Hangzhou, China;
diabetes mellitus; macrovascular; ultrastructure; eNOSmRNA;