http://reply.papertrans.cn/2/125/12494/12494-31.png
Submitted on: 11 March 1998.
Revised on: 27 April 1998.
Accepted on: 08 June 1998.
___________________Infectious Agents and Cancer---BMC
Submitted on: 26 January 2011.
Revised on: 06 April 2011.
Accepted on: 14 May 2011.
___________________Infectious Agents and Cancer---BMC
Submitted on: 03 January 2020.
Revised on: 14 April 2020.
Accepted on: 08 June 2020.
___________________Infectious Agents and Cancer---BMC
http://reply.papertrans.cn/2/125/12494/12494-35.png
http://reply.papertrans.cn/2/125/12494/12494-36.png