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Submitted on: 07 July 2003.
Revised on: 19 October 2003.
Accepted on: 30 October 2003.
___________________European Annals of Otorhinolaryngology-Head and Neck Diseases
Submitted on: 30 March 1998.
Revised on: 20 May 1998.
Accepted on: 19 June 1998.
___________________European Annals of Otorhinolaryngology-Head and Neck Diseases
Submitted on: 06 March 2009.
Revised on: 10 April 2009.
Accepted on: 08 May 2009.
___________________European Annals of Otorhinolaryngology-Head and Neck Diseases
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