1. Scott, G. Chem Britain 1995, 879.
2. Foye, W. O.; Lemke, T. L.; Williams, D. A. (Eds). Principles of Medicinal Chemistry (Fourth Edition) BI Waverly Pvt Ltd 1995, 499.
3. Morel, D. W.; Di Corleto, P. E.; Chisolm, G. M. Atherosclerosis 1984, 4, 357.
4. Heineke, J. W.; Baker, L.; Rosen, H.; Chait, A. J. Clin. Invest. 1986, 77, 757.
5. Cody, V.; Middleton, E.; Harborne, J. B. In Plant Flavonoids in Biology and Medicine; Alan R Liss: New York, 1986; Vol. 1, p 15.