Maintenance work on the ZORA databases is scheduled for Wednesday 22 May 2019 from 20:00-22:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Blagojevic, J; Bellando-Randone, S; Abignano, G; Avouac, J; Cometi, L; Czirják, L; Denton, C P; Distler, O; Frerix, M; Guiducci, S; Huscher, D; Jaeger, V K; Lóránd, V; Maurer, B; Nihtyanova, S; Riemekasten, G; Siegert, E; Tarner, I H; Vettori, S; Walker, U A; Allanore, Y; Müller-Ladner, U; Del Galdo, F; Matucci-Cerinic, M; EUSTAR co-workers (2019). Classification, categorization and essential items for digital ulcer evaluation in systemic sclerosis: a DeSScipher/European Scleroderma Trials and Research group (EUSTAR) survey. Arthritis Research & Therapy, 21(1):35.