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Submitted on: 16 March 2007.
Revised on: 24 April 2007.
Accepted on: 19 May 2007.
___________________DIGESTIVE SURGERY---KARGER
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Submitted on: 27 February 2015.
Revised on: 25 May 2015.
Accepted on: 18 June 2015.
___________________DIGESTIVE SURGERY---KARGER
Submitted on: 06 September 2024.
Revised on: 25 November 2024.
Accepted on: 27 December 2024.
___________________DIGESTIVE SURGERY---KARGER
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