“Reduction of MTT to Purple Formazan by Vitamin E Isomers in the Absence of Cells”, tlsr, vol. 26, no. 1, pp. 111–120, Jul. 2015, Accessed: Dec. 23, 2024. [Online]. Available: https://ejournal.usm.my/tlsr/article/view/tlsr_vol26-no-1-2015_10