Usher Syndrome - Reference

References:

1. Usher Syndrome - (http://www.nlm.nih.gov/medlineplus/ushersyndrome.html)
2. About Usher syndrome - (http://en.wikipedia.org/wiki/Usher_syndrome)

Author: Dr. Reeja Tharu

Editor: Dr. Simi Paknikar

Technically Checked by: Lingaraj