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.
Prognostic impact of CD20 on treatment‐free survival (TFS) in patients with chronic lymphocytic leukemia. Those patients whose percentage of CD20 antigen was above 60.3% had a better TFS (hazard ratio [HR], 0.452; 95% confidence interval [CI], 0.232–0.884, P = 0.020).
