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.
Preferred reporting items for systematic reviews and meta-analyses flow chart of the study selection process used in the meta-analysis. SLE, systemic lupus erythematosus; RCTs, randomized controlled trials; CD22, cluster of differentiation 22.
