Submitted on: 02 November 1998.
Revised on: 26 February 1999.
Accepted on: 12 April 1999.
___________________Journal of Biopharmaceutical Statistics
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Submitted on: 15 July 2012.
Revised on: 05 August 2012.
Accepted on: 21 August 2012.
___________________Journal of Biopharmaceutical Statistics
Submitted on: 17 February 2005.
Revised on: 05 June 2005.
Accepted on: 24 July 2005.
___________________Journal of Biopharmaceutical Statistics