Gnerre, P.; Buscaglia, S.; Cattana, A.; Pestarino, A.; Ardoino, S.; Venturino, E.; Parodi, L. Hypocomplementemic Urticarial Vasculitis Complicated With Diffuse Alveolar Hemorrhage: A Case Report and Review of Literature. Ital J Med 2014, 8, 44-50.