- www.nidcd.nih.gov -- National Institute on Deafness and Other Communication Disorders
- www.aap.org -- American Academy of Pediatrics
- www.entnet.org -- American Academy of Otolaryngology, Head and Neck Surgery
Review Date: 05/03/2011
Reviewed By: Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.