1. R. K. Obi, I. I. Iroagba, and O. A. Ojiako, Afr. J. Biotechnol., 5, 1785 (2006).
2. B. S. Ashok Kumar, K. Lakshman, K. N. Jayaveera, D. Sheshadri Shekar, and C. Vivek, Arch. Biol. Sci., 62 (2), 397 (2010).
3. G. Krishnamurthy, K. Lakshman, N. Pruthvi, and P. U. Chandrika, Indian J. Pharmacol., 43, 250 (2011).
4. M. J. Iqbal, S. Hanif, Z. Mahmood, F. Anwar, and A. Jamil, J. Med. Plants Res., 6, 4450 (2012).
5. G. X. Zhou, Kolitis, Retrieved from http://www.stuartxchange.org/Kolitis.html (2011, July).