Dörsam, Volker, Andreas Schmeel, Konstantin Chumakov, and Mathias R. Fibi. “[Alternative for the Neurovirulence Test (NTV) in Primates for Safety-Testing of Poliomyelitis Attenuated Life Virus Vaccine (Sabin): In Vitro Test MAPREC] [Article in German]”. ALTEX - Alternatives to animal experimentation 15, no. Supp. 1 (January 1, 1998): 21. Accessed May 2, 2024. https://www.altex.org/index.php/altex/article/view/2083.