De partment of Cardiology ,Youfu Hospital of Hebei Province ,Shijiazhuang ,Hebei ,050051 ,China;
De partment of Cardiology ,Youfu Hospital of Hebei Province ,Shijiazhuang ,Hebei ,050051 ,China;
De partment of Cardiology ,Youfu Hospital of Hebei Province ,Shijiazhuang ,Hebei ,050051 ,China;
De partment of Cardiology ,Youfu Hospital of Hebei Province ,Shijiazhuang ,Hebei ,050051 ,China;
De partment of Cardiology ,Youfu Hospital of Hebei Province ,Shijiazhuang ,Hebei ,050051 ,China;
De partment of Cardiology ,Youfu Hospital of Hebei Province ,Shijiazhuang ,Hebei ,050051 ,China;