Submitted on: 20 June 2014.
Revised on: 10 July 2014.
Accepted on: 04 August 2014.
___________________Clinics---ELSEVIER ESPANA
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Submitted on: 31 January 1999.
Revised on: 04 April 1999.
Accepted on: 26 May 1999.
___________________Clinics---ELSEVIER ESPANA
Submitted on: 28 November 2002.
Revised on: 01 March 2003.
Accepted on: 23 April 2003.
___________________Clinics---ELSEVIER ESPANA
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Submitted on: 14 April 2005.
Revised on: 23 July 2005.
Accepted on: 14 September 2005.
___________________Clinics---ELSEVIER ESPANA
http://reply.papertrans.cn/1/58/5754/5754-27.png
Submitted on: 10 October 2003.
Revised on: 19 November 2003.
Accepted on: 29 December 2003.
___________________Clinics---ELSEVIER ESPANA
http://reply.papertrans.cn/1/58/5754/5754-29.png
Submitted on: 11 February 1999.
Revised on: 17 May 1999.
Accepted on: 14 July 1999.
___________________Clinics---ELSEVIER ESPANA