Authors
Changsheng Ma
Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029
Wenhang Qi
Department of Cardiology, Ruijin Hospital, Shanghai Jiaotong University, Shanghai 200025
© 2009 Changsheng Ma, Wenhang Qi, published by Ubiquity Press
This work is licensed under the Creative Commons Attribution 4.0 License.