Submitted on: 21 September 2002.
Revised on: 20 October 2002.
Accepted on: 17 December 2002.
___________________JOURNAL OF NEUROSURGERY---AMER ASSOC NEUROLOGICAL SURGEONS
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Submitted on: 21 August 2006.
Revised on: 11 September 2006.
Accepted on: 28 September 2006.
___________________JOURNAL OF NEUROSURGERY---AMER ASSOC NEUROLOGICAL SURGEONS
Submitted on: 23 August 1998.
Revised on: 29 October 1998.
Accepted on: 04 December 1998.
___________________JOURNAL OF NEUROSURGERY---AMER ASSOC NEUROLOGICAL SURGEONS
Submitted on: 08 November 2006.
Revised on: 25 December 2006.
Accepted on: 20 January 2007.
___________________JOURNAL OF NEUROSURGERY---AMER ASSOC NEUROLOGICAL SURGEONS
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Submitted on: 18 September 2022.
Revised on: 21 October 2022.
Accepted on: 15 November 2022.
___________________JOURNAL OF NEUROSURGERY---AMER ASSOC NEUROLOGICAL SURGEONS
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Submitted on: 22 December 2009.
Revised on: 10 April 2010.
Accepted on: 16 May 2010.
___________________JOURNAL OF NEUROSURGERY---AMER ASSOC NEUROLOGICAL SURGEONS
Submitted on: 18 January 2003.
Revised on: 07 April 2003.
Accepted on: 14 May 2003.
___________________JOURNAL OF NEUROSURGERY---AMER ASSOC NEUROLOGICAL SURGEONS