Prof Hoi @alberta_hoi Anti-Sm in SLE. Present in 17%. Assoc severe disease activity, "classic" SLE manifestations, specific serologic and proteomic profile. Argues for Sm+ SLE being a specific subset (or even a "different" disease?) @RheumNow #EULAR2022 POS0774 https://t.co/a5dToAuao9