Kirsh, VA; Peters U, Mayne ST, Subar AF, Chatterjee N, Johnson CC, Hayes RB (2007). "Prospective study of fruit and vegetable intake and risk of prostate cancer". Journal of the National Cancer Institute99 (15): 1200–9. doi:10.1093/jnci/djm065. பப்மெட்:17652276.
Kirsh, VA; Peters U, Mayne ST, Subar AF, Chatterjee N, Johnson CC, Hayes RB (2007). "Prospective study of fruit and vegetable intake and risk of prostate cancer". Journal of the National Cancer Institute99 (15): 1200–9. doi:10.1093/jnci/djm065. பப்மெட்:17652276.