Lv Jinshuang, Chai Shude, Zheng Guangjun, Yan Weiliang, Feng Zhen
Department of Thoracic Surgery, the 2nd Hospital of Tianjin Medical University, Tianjin 300211, China.
Zhongguo Fei Ai Za Zhi. 2010 Sep;13(9):920-2. doi: 10.3779/j.issn.1009-3419.2010.09.16.