Twarużek, Magdalena, et al. “The Use of in Vitro Assays for the Assessment of Cytotoxicity on the Example of MTT Test”. Acta Universitatis Lodziensis. Folia Biologica Et Oecologica, vol. 14, Dec. 2018, pp. 23-32, doi:10.1515/fobio-2017-0006.