http://reply.papertrans.cn/2/104/10392/10392-31.png
Submitted on: 20 July 2020.
Revised on: 13 November 2020.
Accepted on: 30 November 2020.
___________________Gastrointestinal Tumors---KARGER
http://reply.papertrans.cn/2/104/10392/10392-33.png
Submitted on: 08 January 2000.
Revised on: 03 April 2000.
Accepted on: 17 May 2000.
___________________Gastrointestinal Tumors---KARGER
http://reply.papertrans.cn/2/104/10392/10392-35.png
http://reply.papertrans.cn/2/104/10392/10392-36.png