Submitted on: 08 September 2000.
Revised on: 02 October 2000.
Accepted on: 22 November 2000.
___________________CLINICAL NEUROLOGY AND NEUROSURGERY
Submitted on: 19 August 1998.
Revised on: 02 December 1998.
Accepted on: 04 January 1999.
___________________CLINICAL NEUROLOGY AND NEUROSURGERY
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Submitted on: 22 February 1999.
Revised on: 10 May 1999.
Accepted on: 30 June 1999.
___________________CLINICAL NEUROLOGY AND NEUROSURGERY
http://reply.papertrans.cn/1/57/5677/5677-35.png
Submitted on: 25 April 2009.
Revised on: 31 May 2009.
Accepted on: 23 June 2009.
___________________CLINICAL NEUROLOGY AND NEUROSURGERY