Petersen, E. J., A. Nguyen, J. Brown, J. T. Elliott, A. J. Clippinger, J. Gordon, N. Kleinstreuer, and M. Roesslein. “Characteristics to Consider When Selecting a Positive Control Material for an in Vitro Assay”. ALTEX - Alternatives to Animal Experimentation, vol. 38, no. 2, Apr. 2021, pp. 365-76, doi:10.14573/altex.2102111.