Andrew Flood, Ellen M Velie, Nilanjan Chaterjee, Amy F Subar, Frances E Thompson, James V Lacey, Catherine Schairer, Rebecca Troisi, Arthur Schatzkin,
Fruit and vegetable intakes and the risk of colorectal cancer in the Breast Cancer Detection Demonstration Project follow-up cohort. The American Journal of Clinical Nutrition. ,vol. 75, pp. 936- 943 ,(2002) ,
10.1093/AJCN/75.5.936