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 photomicrograph showing the immunohistochemical localization of antigenic vascular endothelial growth factor (VEGF) in freshly isolated rheumatoid synovial fluid (SF) neutrophils. (A) Cells stained with control IgG. (B) Cells stained by anti-VEGF antibody, demonstrating the presence of neutrophil-associated VEGF antigen (arrows).
