Liu Changle, Liu Tong, Li Guangping
Department of Cardiology, Tianjin Institute of Cardiology, Second Hospital of Tianjin Medical University, Tianjin 300211, China.
Int J Cardiol. 2013 Sep 30;168(2):1603-5. doi: 10.1016/j.ijcard.2013.01.037. Epub 2013 Feb 12.