http://reply.papertrans.cn/2/170/16989/16989-31.png
http://reply.papertrans.cn/2/170/16989/16989-32.png
http://reply.papertrans.cn/2/170/16989/16989-33.png
Submitted on: 04 June 2008.
Revised on: 11 August 2008.
Accepted on: 03 October 2008.
___________________JOURNAL OF GENERAL VIROLOGY---MICROBIOLOGY SOC
http://reply.papertrans.cn/2/170/16989/16989-35.png
Submitted on: 31 May 2000.
Revised on: 22 June 2000.
Accepted on: 08 July 2000.
___________________JOURNAL OF GENERAL VIROLOGY---MICROBIOLOGY SOC