Submitted on: 31 January 2003.
Revised on: 07 May 2003.
Accepted on: 04 July 2003.
___________________Journal of Head & Neck Physicians and Surgeons
Submitted on: 10 May 2020.
Revised on: 16 June 2020.
Accepted on: 01 July 2020.
___________________Journal of Head & Neck Physicians and Surgeons
Submitted on: 28 May 2016.
Revised on: 06 July 2016.
Accepted on: 22 July 2016.
___________________Journal of Head & Neck Physicians and Surgeons
Submitted on: 29 December 2001.
Revised on: 20 January 2002.
Accepted on: 19 February 2002.
___________________Journal of Head & Neck Physicians and Surgeons
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Submitted on: 22 March 2019.
Revised on: 16 July 2019.
Accepted on: 20 August 2019.
___________________Journal of Head & Neck Physicians and Surgeons