Submitted on: 19 June 1998.
Revised on: 14 September 1998.
Accepted on: 06 October 1998.
___________________Journal of Gastrointestinal Oncology
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Submitted on: 04 November 2023.
Revised on: 08 December 2023.
Accepted on: 02 February 2024.
___________________Journal of Gastrointestinal Oncology
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