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Submitted on: 24 July 2002.
Revised on: 30 October 2002.
Accepted on: 05 December 2002.
___________________Journal of Scleroderma and Related Disorders
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Submitted on: 06 April 2007.
Revised on: 02 July 2007.
Accepted on: 16 July 2007.
___________________Journal of Scleroderma and Related Disorders
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