Submitted on: 28 March 2000.
Revised on: 14 April 2000.
Accepted on: 26 April 2000.
MICROBIOLOGY
http://reply.papertrans.cn/3/220/21909/21909-32.png
http://reply.papertrans.cn/3/220/21909/21909-33.png
Submitted on: 01 February 2006.
Revised on: 17 March 2006.
Accepted on: 05 April 2006.
MICROBIOLOGY
http://reply.papertrans.cn/3/220/21909/21909-35.png
Submitted on: 10 February 2000.
Revised on: 08 March 2000.
Accepted on: 04 April 2000.
MICROBIOLOGY