Submitted on: 04 November 2006.
Revised on: 03 December 2006.
Accepted on: 12 December 2006.
Surgery Journal---THIEME MEDICAL PUBL INC
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Submitted on: 01 May 2013.
Revised on: 11 May 2013.
Accepted on: 02 June 2013.
Surgery Journal---THIEME MEDICAL PUBL INC
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