Submitted on: 02 April 2001.
Revised on: 07 July 2001.
Accepted on: 30 July 2001.
___________________AMERICAN JOURNAL OF SPEECH-LANGUAGE PATHOLOGY
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Submitted on: 14 February 2012.
Revised on: 30 May 2012.
Accepted on: 14 June 2012.
___________________AMERICAN JOURNAL OF SPEECH-LANGUAGE PATHOLOGY
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