P3490Pulmonary arterial hypertension in connective tissue disorders: red cell distribution width as a novel biomarker for early diagnosis and follow-up. (28th August 2018) - Ubertini, E; Dimagli, A; Giubertoni, A; Buffa, M; Zanaboni, J; Bellan, M; Grimoldi, F; Piccinino, C; Marino, P N