Submitted on: 23 December 2004.
Revised on: 13 January 2005.
Accepted on: 30 January 2005.
___________________International Journal of Speech-Language Pathology
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Submitted on: 13 March 2013.
Revised on: 01 May 2013.
Accepted on: 25 June 2013.
___________________International Journal of Speech-Language Pathology
Submitted on: 27 February 2002.
Revised on: 30 March 2002.
Accepted on: 01 May 2002.
___________________International Journal of Speech-Language Pathology
Submitted on: 29 September 2000.
Revised on: 04 January 2001.
Accepted on: 20 January 2001.
___________________International Journal of Speech-Language Pathology
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Submitted on: 27 November 2004.
Revised on: 17 February 2005.
Accepted on: 20 March 2005.
___________________International Journal of Speech-Language Pathology