Sacchi S, Federico M, Vitolo U, Boccomini C, Vallisa D, Baldini L, Petrini M, Rupoli S, Di Raimondo F, Merli F, Liso V, Tabilio A, Saglio G, Vinci G, Brugiatelli M, Dastoli G, GISL. Clinical activity and safety of combination immunotherapy with IFN-alpha 2a and Rituximab in patients with relapsed low grade non-Hodgkin’s lymphoma. Haematologica 2001; 86(9):951-958.