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.
(A) Serum levels of nerve growth factor (NGF) (ng/ml) in patients with systemic sclerosis (SSc) and controls (C),*p<0.00001; (B) NGF levels (ng/ml) in limited (lSSc) and diffuse (dSSc) subsets of patients with SSc, *p<0.01; (C) NGF levels (ng/ml) in patients with SSc with joint involvement (JI) and without joint involvement (WJI), *p<0.00002.
