Ultrasound signs of pulmonary fibrosis in systemic sclerosis as timely indicators for chest computed tomography. - Sperandeo, M; De Cata, A; Molinaro, F; Trovato, FM; Catalano, D; Simeone, A; Varriale, A; Martines, GF; Trovato, G (Scandinavian Journal of Rheumatology, 2015)