1. Parker SL, Tong T, Bolden S et al (1997) Cancer statistics, 1997. CA 47:5–27
2. Rabkin C, Devesa SS, Zahm SH et al (1993) Increasing incidence of non-Hodgkin’s lymphoma. Semin Hematol 30:286–296
3. Rabkin CS, Ward MH, Manns A, Blattner WA (1997). Epidemiology of non-Hodgkin’s lymphomas. In: Magrath IV (ed) The Non-Hodgkin’s Lymphomas. Arnold, London p 171
4. Lyons SF, Liebowitz DN (1998) The roles of human viruses in the pathogenesis of lymphoma. Semin Oncol 25: 461–475
5. Non-Hodgkin’s Lymphoma Pathologic Classification Project (1982) National Cancer Institute-sponsored study of classification of non-Hodgkin’s lymphomas: summary and description of a Working Formulation for clinical usage. Cancer 49:2112–2135