Wang Wei, Zhou Jian Ping, Wu Li Qun, Gu Gang, Shi Guo Chao
Department of Cardiology, Rui Jin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China.
Respir Care. 2011 Jun;56(6):874-7. doi: 10.4187/respcare.00975. Epub 2011 Feb 11.