1. Jemal A, Siegel R, Xu J, Ward E: Cancer statistics, 2010. CA Cancer J Clin. 2010, 60 (5): 277-300.
2. Soengas MS, Lowe SW: Apoptosis and melanoma chemoresistance. Oncogene. 2003, 22 (20): 3138-3151.
3. Singh DK, Lippman SM: Cancer chemoprevention. Part 1: Retinoids and carotenoids and other classic antioxidants. Oncol (Williston Park). 1998, 12 (11): 1643-1653. 1657-1648; discussion 1659-1660
4. Singh DK, Lippman SM: Cancer chemoprevention. Part 2: Hormones, nonclassic antioxidant natural agents, NSAIDs, and other agents. Oncol (Williston Park). 1998, 12 (12): 1787-1800. discussion 1802, 1805
5. Liu L, Hudgins WR, Shack S, Yin MQ, Samid D: Cinnamic acid: a natural product with potential use in cancer intervention. Int J Cancer. 1995, 62 (3): 345-350.