1. Aggarwal BB . (2000). Biochem. Pharmacol., 60, 1033–1039.
2. Ahmad N, Feyes DK, Nieminen AL, Agarwal R and Mukhtar H . (1997). J. Natl. Cancer Inst., 89, 1881–1886.
3. Ahmad N, Gupta S and Mukhtar H . (2000). Arch. Biochem. Biophys., 376, 338–346.
4. Bours V, Bentires-Alj M, Hellin AC, Viatour P, Robe P, Delhalle S, Benoit V and Merville MP . (2000). Biochem. Pharmacol., 60, 1085–1089.
5. Chen ZP, Schell JB, Ho CT and Chen KY . (1998). Cancer Lett., 129, 173–179.