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Submitted on: 28 December 2007.
Revised on: 21 February 2008.
Accepted on: 05 April 2008.
___________________Journal of Thoracic Disease---AME PUBLISHING COMPANY
Submitted on: 26 May 2003.
Revised on: 02 September 2003.
Accepted on: 24 October 2003.
___________________Journal of Thoracic Disease---AME PUBLISHING COMPANY
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http://reply.papertrans.cn/2/200/19918/19918-25.png
Submitted on: 17 January 2003.
Revised on: 03 May 2003.
Accepted on: 02 June 2003.
___________________Journal of Thoracic Disease---AME PUBLISHING COMPANY
Submitted on: 29 November 2006.
Revised on: 05 March 2007.
Accepted on: 16 April 2007.
___________________Journal of Thoracic Disease---AME PUBLISHING COMPANY
http://reply.papertrans.cn/2/200/19918/19918-28.png
Submitted on: 04 April 2010.
Revised on: 20 July 2010.
Accepted on: 12 August 2010.
___________________Journal of Thoracic Disease---AME PUBLISHING COMPANY
Submitted on: 24 August 2008.
Revised on: 24 September 2008.
Accepted on: 14 November 2008.
___________________Journal of Thoracic Disease---AME PUBLISHING COMPANY