1. American Speech-Language-Hearing Association. 2000a. Clinical indicators for instrumental assessment of dysphagia (guidelines). ASHA Supplement 20. Rockville, MD: Author. p 18-19
2. American Speech-Language-Hearing Association. 2000b. Roles of the speech-language pathologist and otolaryngologist in the performance and interpretation of endoscopic examinations of swallowing (position statement). ASHA Supplement 20. Rockville, MD: Author. p 17.
3. 2002. Anatomy, embryology, physiology, and normal development. In: Pediatric swallowing and feeding: assessment and management. 2nd ed. Albany NY: Singular Thomson Learning. p 13-79.
4. 1998. Pediatric Videofluoroscopic Swallow Studies: A professional manual with caregiver guidelines. San Antonio, TX: Communication Skill Builders.