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.
Representative microscopic images of reduced intratumoral levels of CD34+ cells in HNSCC tissues from a patient treated with 1,25(OH)2D3 as compared with levels in HNSCC tissue of an untreated patient. Arrows indicate examples of positive-stained cells.