title: Comment on: disease activity criteria in scleroderma.
authors: Alessandra
authors: A
authors: Della Rossa
authors: Stefano
authors: S
authors: Bombardieri
authors: Gabriele
authors: G
authors: Valentini
mesh_terms: D006801:Humans; D012595:Scleroderma, Systemic / Q000503:physiopathology*; D012720:Severity of Illness Index