Z.A. Zakaria, H. Zaiton, E.F.P. Henie, A.M. Mat Jais, D. Kasthuri, M. Thenamutha, F.W. Othman, R. Nazaratulmawarina and C.A. Fatimah
Journal of Pharmacology and Toxicology 1 ( 2 ): 108 - 114 , 2006