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Submitted on: 22 March 2011.
Revised on: 09 June 2011.
Accepted on: 29 June 2011.
___________________Journal of Childrens Orthopaedics
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Submitted on: 27 April 2008.
Revised on: 12 June 2008.
Accepted on: 21 July 2008.
___________________Journal of Childrens Orthopaedics
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