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.
Image of a persistent large velopharyngeal gap causing velopharyngeal insufficiency in a patient with 22q11.2 deletion syndrome undergoing video nasopharyngeal endoscopy (PPW = posterior pharyngeal wall, VPG = velopharyngeal gap, SP = soft palate).
