Submitted on: 20 November 2014.
Revised on: 09 January 2015.
Accepted on: 09 February 2015.
___________________Egyptian Rheumatologist---ELSEVIER
Submitted on: 15 February 2018.
Revised on: 10 June 2018.
Accepted on: 26 June 2018.
___________________Egyptian Rheumatologist---ELSEVIER
Submitted on: 29 September 2008.
Revised on: 06 December 2008.
Accepted on: 27 January 2009.
___________________Egyptian Rheumatologist---ELSEVIER
Submitted on: 20 May 2001.
Revised on: 07 July 2001.
Accepted on: 06 August 2001.
___________________Egyptian Rheumatologist---ELSEVIER
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Submitted on: 24 January 1998.
Revised on: 18 March 1998.
Accepted on: 12 April 1998.
___________________Egyptian Rheumatologist---ELSEVIER
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