C Stelitano, L Baldini, C Pieresca, V Callea, F Angrilli, V Clo, G Partesotti, F Merli, L Cavanna, F Morabito, M Federico, M Brugiatelli, and V Silingardi. 2000. “Validation of the International Prognostic Index in Working Formulation Group A Low-Grade Non-Hodgkin’s Lymphoma: Retrospective Analysis of 137 Patients from the Gruppo Italiano Per Lo Studio Dei Linfomi Registry”. Haematologica 85 (2). Pavia, Italy, 154-59. https://doi.org/10.3324/%x.