Submitted on: 12 January 2014.
Revised on: 26 January 2014.
Accepted on: 15 February 2014.
Microbiology Spectrum---AMER SOC MICROBIOLOGY
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Submitted on: 27 June 2002.
Revised on: 04 August 2002.
Accepted on: 09 August 2002.
Microbiology Spectrum
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Submitted on: 23 October 2002.
Revised on: 21 November 2002.
Accepted on: 30 November 2002.
Microbiology Spectrum---AMER SOC MICROBIOLOGY
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