Submitted on: 23 April 2005.
Revised on: 30 May 2005.
Accepted on: 14 June 2005.
___________________Chinese Clinical Oncology---AME PUBLISHING COMPANY
Submitted on: 17 January 2006.
Revised on: 16 March 2006.
Accepted on: 22 April 2006.
___________________Chinese Clinical Oncology---AME PUBLISHING COMPANY
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Submitted on: 20 February 2018.
Revised on: 26 March 2018.
Accepted on: 12 April 2018.
___________________Chinese Clinical Oncology---AME PUBLISHING COMPANY
Submitted on: 19 June 2008.
Revised on: 02 October 2008.
Accepted on: 30 November 2008.
___________________Chinese Clinical Oncology---AME PUBLISHING COMPANY
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