Nazrul-Hakim, M. , Yaacob, A. , Adam, Y. , Zuraini, A.. "Preliminary Toxicological Evaluations of Polypeptide-K Isolated from Momordica Charantia in Laboratory Rats". World Academy of Science, Engineering and Technology, Open Science Index 51, International Journal of Biomedical and Biological Engineering (2011), 5(3), 127 - 130.