4) Isaacson P, Wright DH:Malignant lymphoma of mucosa-associated lymphoid tissue:a distinctive type of B-cell lymphoma. Cancer 1983;52:1410-1416
5) Harris NL, Jaffe ES, Stein H, et al:A revised European-American classification of lymphoid neoplasms:a proposal from the International Lymphoma Study Group. Blood 1994;84:1361-1392