MUC5B and RA-ILD. Dr McDermott @jeffsparks show that MUC5B is associated with RA-ILD, older age at RA diagnosis, and ILD within 5 years of RA onset. Is this a different disease to other RA or modulation by the promotor variant? Abstr#0576 #ACR21 @RheumNow https://t.co/r2fQqxVY6N