Submitted on: 19 October 2008.
Revised on: 30 December 2008.
Accepted on: 09 February 2009.
___________________Egyptian Pharmaceutical Journal
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Submitted on: 11 October 2017.
Revised on: 23 November 2017.
Accepted on: 17 December 2017.
___________________Egyptian Pharmaceutical Journal
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Submitted on: 03 May 2003.
Revised on: 16 June 2003.
Accepted on: 05 July 2003.
___________________Egyptian Pharmaceutical Journal
Submitted on: 09 June 2001.
Revised on: 20 July 2001.
Accepted on: 28 August 2001.
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Submitted on: 25 November 1999.
Revised on: 02 January 2000.
Accepted on: 03 February 2000.
___________________Egyptian Pharmaceutical Journal