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Submitted on: 29 June 2001.
Revised on: 13 October 2001.
Accepted on: 01 December 2001.
___________________EUROPEAN ARCHIVES OF OTO-RHINO-LARYNGOLOGY
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Submitted on: 16 July 2010.
Revised on: 13 October 2010.
Accepted on: 28 November 2010.
___________________EUROPEAN ARCHIVES OF OTO-RHINO-LARYNGOLOGY
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