Best of 2025: GRAPPA vs. EULAR on Complex/Difficult-to-Manage Psoriatic Arthritis Following the establishment of formal definitions for Difficult-to-Treat Rheumatoid Arthritis (D2T RA) by EULAR and Difficult-to-Manage axial Spondyloarthritis (D2M axSpA) by ASAS, the “Difficult” https://t.co/hFejdS4sjk