The First Clinical College of Hainan Medical University Haikou 571100 China;
The First Clinical College of Hainan Medical University Haikou 571100 China;
The First Clinical College of Hainan Medical University Haikou 571100 China;
The First Clinical College of Hainan Medical University Haikou 571100 China;
The First Clinical College of Hainan Medical University Haikou 571100 China;
International College of Nursing Hainan Medical University Haikou 571100 China;
Clinical Skills Center Hainan Medical University Hainan Haikou 570100 China;
Metformin; T2DM; Lactate acidosis;