Department of Cardiac Surgery;
Zhengzhou Municipal Seventh People's Hospital;
Zhengzhou 450000;
China.;
Department of Cardiac Surgery;
Zhengzhou Municipal Seventh People's Hospital;
Zhengzhou 450000;
China.;
Department of Cardiac Surgery;
Zhengzhou Municipal Seventh People's Hospital;
Zhengzhou 450000;
China.;
Department of Cardiac Surgery;
Zhengzhou Municipal Seventh People's Hospital;
Zhengzhou 450000;
China.;
Department of Cardiac Surgery;
Zhengzhou Municipal Seventh People's Hospital;
Zhengzhou 450000;
China.;
Department of Cardiac Surgery;
Zhengzhou Municipal Seventh People's Hospital;
Zhengzhou 450000;
China.;