Submitted on: 07 October 2020.
Revised on: 16 December 2020.
Accepted on: 12 January 2021.
___________________DIGESTIVE SURGERY---KARGER
http://reply.papertrans.cn/1/75/7467/7467-32.png
Submitted on: 14 June 2018.
Revised on: 18 September 2018.
Accepted on: 30 September 2018.
___________________DIGESTIVE SURGERY---KARGER
http://reply.papertrans.cn/1/75/7467/7467-34.png
Submitted on: 23 June 2018.
Revised on: 11 August 2018.
Accepted on: 11 September 2018.
___________________DIGESTIVE SURGERY---KARGER
Submitted on: 17 June 2016.
Revised on: 20 September 2016.
Accepted on: 13 October 2016.
___________________DIGESTIVE SURGERY---KARGER