Makpol, S., N. Yaacob, A. Zainuddin, Y. A. M. Yusof, and W. Z. Wan Ngah. “CHLORELLA VULGARIS MODULATES HYDROGEN PEROXIDE-INDUCED DNA DAMAGE AND TELOMERE SHORTENING OF HUMAN FIBROBLASTS DERIVED FROM DIFFERENT AGED INDIVIDUALS”. African Journal of Traditional, Complementary and Alternative Medicines, vol. 6, no. 4, June 2009, pp. 560-72, https://journals.athmsi.org/index.php/ajtcam/article/view/969.