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.
Plasma levels of sphingosine-1-phosphate (S1P) in patients with antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) at the active stage and in remission. (A) Plasma levels of S1P in AAV patients compared with normal controls. (B) Plasma levels of S1P in AAV patients at active stage and in remission.
