http://reply.papertrans.cn/1/84/8364/8364-31.png
Submitted on: 01 May 2008.
Revised on: 03 August 2008.
Accepted on: 01 October 2008.
___________________ENDOSCOPY---GEORG THIEME VERLAG KG
http://reply.papertrans.cn/1/84/8364/8364-33.png
http://reply.papertrans.cn/1/84/8364/8364-34.png
Submitted on: 15 May 2019.
Revised on: 02 September 2019.
Accepted on: 31 October 2019.
___________________ENDOSCOPY---GEORG THIEME VERLAG KG
http://reply.papertrans.cn/1/84/8364/8364-36.png