http://reply.papertrans.cn/3/237/23628/23628-31.png
Submitted on: 27 September 2008.
Revised on: 03 November 2008.
Accepted on: 11 November 2008.
Open Access Rheumatology-Research and Reviews
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Submitted on: 01 December 1999.
Revised on: 08 December 1999.
Accepted on: 18 December 1999.
Open Access Rheumatology-Research and Reviews
Submitted on: 17 December 1998.
Revised on: 15 January 1999.
Accepted on: 22 January 1999.
Open Access Rheumatology-Research and Reviews
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