Department of Cardiology;
SecondAffiliated Hospital of Xuzhou Medical University;
Xuzhou;
Jiangsu;
221002;
China;
Department of Cardiology;
SecondAffiliated Hospital of Xuzhou Medical University;
Xuzhou;
Jiangsu;
221002;
China;
Department of Cardiology;
SecondAffiliated Hospital of Xuzhou Medical University;
Xuzhou;
Jiangsu;
221002;
China;