1. Expert panel on the identification, evaluation and treatment of overweight and obesity in adults. Clinical guidelines on the identification, evaluation, and treatment of overweight and obesity in adults: the evidence report. Obes Res 1998;6:51S–209S.
2. IARC working group on the evaluation of cancer-preventive agents. Weight control and physical activity, IARC handbooks of cancer prevention, volume 6. IARC 2002.
3. Overweight obesity and mortality from cancer in a prospectively studied cohort of US adults;Calle;N Engl J Med,2003
4. Body-mass index and incidence of cancer: a systematic review and meta-analysis of prospective observational studies;Renehan;Lancet,2008
5. Obesity and risk of non-hodgkin's lymphoma: a meta-analysis;Larsson;Int J Cancer,2007