Submitted on: 24 December 2008.
Revised on: 18 March 2009.
Accepted on: 13 April 2009.
___________________Clinics---ELSEVIER ESPANA
Submitted on: 28 May 2014.
Revised on: 28 August 2014.
Accepted on: 22 September 2014.
___________________Clinics---ELSEVIER ESPANA
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Submitted on: 22 February 2000.
Revised on: 23 March 2000.
Accepted on: 21 April 2000.
___________________Clinics---ELSEVIER ESPANA
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Submitted on: 28 September 2005.
Revised on: 29 November 2005.
Accepted on: 10 January 2006.
___________________Clinics---ELSEVIER ESPANA
Submitted on: 26 July 2007.
Revised on: 01 September 2007.
Accepted on: 05 October 2007.
___________________Clinics---ELSEVIER ESPANA
Submitted on: 13 May 2011.
Revised on: 10 July 2011.
Accepted on: 04 September 2011.
___________________Clinics---ELSEVIER ESPANA
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