1. Treatment efficacy: functional phonological disorders in children;Gierut;J Speech Lang Hear Res,1998
2. The Speech Disorders Classification System (SDCS) extensions and lifespan reference data;Shriberg;J Speech Lang Hear Res,1997
3. A nationwide survey of nonspeech oral motor exercise use: implications for evidence-based practice. Language, speech, and hearing services in schools;Lof,2008
4. Use of nonspeech oral-motor exercises in children's speech therapy;Hodge,2005
5. Treating children ages 3–6 who have speech sound disorder: a survey. Language, Speech, and Hearing Services in Schools;Brumbaugh,2013