Maier, Peter, and Nenad Milosevic. “[Cocultures Between Primary Parenchymal and Nonparenchymal Liver Cells Improve the Reliability of Results from in Vitro Toxicity Testing] [Article in German]”. ALTEX - Alternatives to Animal Experimentation, vol. 16, no. 2, May 1999, pp. 87-89, https://altex.org/index.php/altex/article/view/1465.