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Submitted on: 01 February 2003.
Revised on: 27 February 2003.
Accepted on: 10 April 2003.
___________________BRITISH JOURNAL OF NEUROSURGERY
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Submitted on: 09 November 2013.
Revised on: 06 December 2013.
Accepted on: 16 January 2014.
___________________BRITISH JOURNAL OF NEUROSURGERY
Submitted on: 24 February 2003.
Revised on: 25 April 2003.
Accepted on: 08 May 2003.
___________________BRITISH JOURNAL OF NEUROSURGERY
Submitted on: 04 June 2001.
Revised on: 30 July 2001.
Accepted on: 15 August 2001.
___________________BRITISH JOURNAL OF NEUROSURGERY
Submitted on: 15 September 2000.
Revised on: 06 December 2000.
Accepted on: 09 January 2001.
___________________BRITISH JOURNAL OF NEUROSURGERY
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