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Submitted on: 01 January 1998.
Revised on: 28 March 1998.
Accepted on: 08 April 1998.
___________________FOLIA PHONIATRICA ET LOGOPAEDICA
Submitted on: 12 September 2012.
Revised on: 06 November 2012.
Accepted on: 06 December 2012.
___________________FOLIA PHONIATRICA ET LOGOPAEDICA
Submitted on: 19 July 2015.
Revised on: 11 September 2015.
Accepted on: 28 September 2015.
___________________FOLIA PHONIATRICA ET LOGOPAEDICA
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