Norhanom, A., Ashril , K Awang, Y. and A. Hadi, A. H. (1999) “Protocol for screening cytotoxic activity of natural products against KB cells”, Malaysian Journal of Science, 18(1), pp. 27–29. Available at: https://mjs.um.edu.my/index.php/MJS/article/view/9377 (Accessed: 9 May 2024).