An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Clinical features of patients. Frontal and profile face photos and photos of hands are shown for the patients described. Images for an individual patient are outlined by a black box, with the patient's mutation indicated.