1. Obrams GI, O'Conor G. The emerging epidemic of non-Hodgkin's lymphoma: current knowledge regarding etiological factors. Time trends and pathological classification: a summary. Cancer Res1992 ; 52 : 5570s .
2. Banks PM. Changes in diagnosis of non-Hodgkin's lymphomas over time. Cancer Res1992 ; 52 : 5453s –5s.
3. Hartge P, Devesa SS. Quantification of the impact of known risk factors on time trends in non-Hodgkin's lymphoma incidence. Cancer Res1992 ; 52 : 5566s –9s.
4. Vose JM, Chiu BC, Cheson BD, Dancey J, Wright J. Update on epidemiology and therapeutics for non-Hodgkin's lymphoma. Hematology (Am Soc Hematol Educ Program) 2002 :241–62.
5. Mueller NE, Grufferman S. The epidemiology of Hodgkin's disease. In: Mauch PM, Armitage JO, Diehl V, Hoppe RT, Weiss LM, editors. Hodgkin's disease. Philadelphia: Lippincott Williams & Wilkins; 1999 . p. 61–77.