Submitted on: 26 October 2001.
Revised on: 10 November 2001.
Accepted on: 24 November 2001.
MATHEMATICAL BIOSCIENCES
Submitted on: 05 April 2004.
Revised on: 08 May 2004.
Accepted on: 22 May 2004.
MATHEMATICAL BIOSCIENCES---ELSEVIER SCIENCE INC
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Submitted on: 06 August 2014.
Revised on: 13 September 2014.
Accepted on: 23 September 2014.
MATHEMATICAL BIOSCIENCES
Submitted on: 20 March 2002.
Revised on: 03 May 2002.
Accepted on: 21 May 2002.
MATHEMATICAL BIOSCIENCES---ELSEVIER SCIENCE INC
Submitted on: 20 October 2016.
Revised on: 29 November 2016.
Accepted on: 14 December 2016.
MATHEMATICAL BIOSCIENCES