Whitlow, Sonia, Heinrich Bürgin, and Nicole Clemann. “The Embryonic Stem Cell Test for the Early Selection of Pharmaceutical Compounds”. ALTEX - Alternatives to animal experimentation 24, no. 1 (February 1, 2007): 3–7. Accessed March 31, 2023. https://altex.org/index.php/altex/article/view/785.