Submitted on: 11 April 1999.
Revised on: 06 May 1999.
Accepted on: 06 June 1999.
___________________Acta Ortopedica Brasileira---ATHA COMUNICACAO & EDITORA
Submitted on: 29 January 2001.
Revised on: 29 April 2001.
Accepted on: 05 June 2001.
___________________Acta Ortopedica Brasileira---ATHA COMUNICACAO & EDITORA
Submitted on: 16 September 2004.
Revised on: 15 November 2004.
Accepted on: 06 December 2004.
___________________Acta Ortopedica Brasileira---ATHA COMUNICACAO & EDITORA
Submitted on: 30 November 2002.
Revised on: 09 February 2003.
Accepted on: 19 March 2003.
___________________Acta Ortopedica Brasileira---ATHA COMUNICACAO & EDITORA
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Submitted on: 30 March 2011.
Revised on: 26 June 2011.
Accepted on: 04 August 2011.
___________________Acta Ortopedica Brasileira---ATHA COMUNICACAO & EDITORA
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Submitted on: 07 March 2002.
Revised on: 31 May 2002.
Accepted on: 10 July 2002.
___________________Acta Ortopedica Brasileira---ATHA COMUNICACAO & EDITORA
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