Department of Cardiology;
First People's Hospital of Neijiang City;
Neijiang;
Sichuan;
641000;
China;
Department of Cardiology;
First People's Hospital of Neijiang City;
Neijiang;
Sichuan;
641000;
China;
Department of Cardiology;
First People's Hospital of Neijiang City;
Neijiang;
Sichuan;
641000;
China;