Angoth, Bhikku, et al. “CYTOTOXICITY EVALUATION OF CARBON NANOMATERIALS ON HUMAN CELL LINES USING MTT ASSAY”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 6, no. 10, Oct. 2014, pp. 379-82, https://www.journals.innovareacademics.in/index.php/ijpps/article/view/2859.