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.
Age- and gender-adjusted associations of composite HLA-DRB1 SE dose (0, 1 or 2 alleles) and glutathione S-transferase Mu-1 (GSTM1) status with anticitrullinated protein antibody (ACPA) positivity in Caucasian patients enrolled in the Veterans Affairs Rheumatoid Arthritis (VARA) registry (n = 703).
