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Submitted on: 01 October 2009.
Revised on: 23 November 2009.
Accepted on: 13 December 2009.
___________________Acta Ortopedica Brasileira---ATHA COMUNICACAO & EDITORA
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Submitted on: 28 February 2009.
Revised on: 27 March 2009.
Accepted on: 07 April 2009.
___________________Acta Ortopedica Brasileira---ATHA COMUNICACAO & EDITORA
Submitted on: 09 August 2002.
Revised on: 04 November 2002.
Accepted on: 22 November 2002.
___________________Acta Ortopedica Brasileira---ATHA COMUNICACAO & EDITORA
Submitted on: 19 June 2003.
Revised on: 17 August 2003.
Accepted on: 28 September 2003.
___________________Acta Ortopedica Brasileira---ATHA COMUNICACAO & EDITORA