Submitted on: 26 October 2003.
Revised on: 01 December 2003.
Accepted on: 16 January 2004.
___________________JAC-Antimicrobial Resistance---OXFORD UNIV PRESS
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Submitted on: 31 August 2001.
Revised on: 31 October 2001.
Accepted on: 12 November 2001.
___________________JAC-Antimicrobial Resistance---OXFORD UNIV PRESS
Submitted on: 13 September 2000.
Revised on: 20 December 2000.
Accepted on: 30 January 2001.
___________________JAC-Antimicrobial Resistance---OXFORD UNIV PRESS
Submitted on: 29 April 2019.
Revised on: 15 August 2019.
Accepted on: 10 October 2019.
___________________JAC-Antimicrobial Resistance---OXFORD UNIV PRESS
Submitted on: 16 March 1998.
Revised on: 20 April 1998.
Accepted on: 01 May 1998.
___________________JAC-Antimicrobial Resistance---OXFORD UNIV PRESS
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