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Submitted on: 30 November 2000.
Revised on: 20 December 2000.
Accepted on: 10 February 2001.
___________________European Annals of Otorhinolaryngology-Head and Neck Diseases
Submitted on: 15 March 2004.
Revised on: 29 May 2004.
Accepted on: 16 July 2004.
___________________European Annals of Otorhinolaryngology-Head and Neck Diseases
Submitted on: 04 September 2012.
Revised on: 27 October 2012.
Accepted on: 19 November 2012.
___________________European Annals of Otorhinolaryngology-Head and Neck Diseases
Submitted on: 28 May 2019.
Revised on: 16 August 2019.
Accepted on: 04 September 2019.
___________________European Annals of Otorhinolaryngology-Head and Neck Diseases
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http://reply.papertrans.cn/1/91/9028/9028-27.png
Submitted on: 12 April 2016.
Revised on: 07 May 2016.
Accepted on: 08 June 2016.
___________________European Annals of Otorhinolaryngology-Head and Neck Diseases
Submitted on: 08 February 2009.
Revised on: 10 April 2009.
Accepted on: 04 June 2009.
___________________European Annals of Otorhinolaryngology-Head and Neck Diseases
Submitted on: 28 April 1998.
Revised on: 14 July 1998.
Accepted on: 15 August 1998.
___________________European Annals of Otorhinolaryngology-Head and Neck Diseases