Affiliation: | Bo Yang(Department of Cardiology,General Hospital of People's Liberation Army,Beijing 100853Department of Cardiology,Tibetan General Hospital,Lhasa 850007);Guang-yi Wang(Department of Cardiology,General Hospital of People's Liberation Army,Beijing 100853);Bin Chen(Department of Cardiology,Tibetan General Hospital,Lhasa 850007);Lian Chen(Department of Cardiology,General Hospital of People's Liberation Army,Beijing 100853); |