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.
... type 1
National Organization for Rare Disorders (NORD)
VITAMINDHYDROXYLATION-DEFICIENTRICKETS, TYPE1B; VDDR1B
VITAMIND-DEPENDENT RICKETS, TYPE 2A; VDDR2A
...