Submitted on: 04 June 2010.
Revised on: 21 September 2010.
Accepted on: 03 November 2010.
___________________Current Medical Science---SPRINGER
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Submitted on: 02 March 2008.
Revised on: 23 March 2008.
Accepted on: 02 April 2008.
___________________Current Medical Science---SPRINGER
Submitted on: 18 March 2002.
Revised on: 17 April 2002.
Accepted on: 30 May 2002.
___________________Current Medical Science---SPRINGER
Submitted on: 11 May 2009.
Revised on: 19 June 2009.
Accepted on: 11 July 2009.
___________________Current Medical Science---SPRINGER
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Submitted on: 20 November 2002.
Revised on: 23 December 2002.
Accepted on: 09 January 2003.
___________________Current Medical Science---SPRINGER
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Submitted on: 17 April 2010.
Revised on: 22 July 2010.
Accepted on: 05 August 2010.
___________________Current Medical Science---SPRINGER
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