Submitted on: 03 July 2003.
Revised on: 11 July 2003.
Accepted on: 30 July 2003.
Neurochirurgie---MASSON EDITEUR
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Submitted on: 30 April 2000.
Revised on: 30 May 2000.
Accepted on: 21 June 2000.
Neurochirurgie
http://reply.papertrans.cn/3/229/22897/22897-24.png
Submitted on: 25 October 2012.
Revised on: 04 November 2012.
Accepted on: 28 November 2012.
Neurochirurgie
http://reply.papertrans.cn/3/229/22897/22897-26.png
http://reply.papertrans.cn/3/229/22897/22897-27.png
Submitted on: 06 October 2001.
Revised on: 19 November 2001.
Accepted on: 26 November 2001.
Neurochirurgie
http://reply.papertrans.cn/3/229/22897/22897-29.png
Submitted on: 08 September 2005.
Revised on: 14 October 2005.
Accepted on: 07 November 2005.
Neurochirurgie---MASSON EDITEUR