Nongastric marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue

Zucca, E; Conconi, A; Pedrinis, E; Cortelazzo, S; Motta, T; Gospodarowicz, Mk; Patterson, Bj; Ferreri, Aj; Ponzoni, M; Devizzi, L; Giardini, R; Pinotti, G; Capella, CARLO RENATO; Zinzani, Pl; Pileri, S; LOPEZ GUILLERMO, A; Campo, E; Ambrosetti, A; Baldini, L; Cavalli, F; INTERNATIONAL EXTRANODAL LYMPHOMA STUDY, Group