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.
Germinal Center-like structures in synovial tissues of PsA patients. IHC for CD3, CD20, CD21, CD23, Bcl6, and Ki67 (all DAB, brown) of synovial tissue from three early, naive to DMARDs treatment PsA patients (original magnification, 20x). The black arrows indicate a positive staining for CD21, CD23, Ki67, and Bcl6. The dotted black line indicates the insert of the corresponding picture at 40x magnification.
