Rosskopf, Ute, Kerstin Noeske, and Esther Werner. “Replacement of the in Vivo Neutralisation Test for Efficacy Demonstration of Tetanus Vaccines Ad Us. Vet”. ALTEX - Alternatives to animal experimentation 22, no. 3 (August 1, 2005): 169–174. Accessed May 3, 2024. https://www.altex.org/index.php/altex/article/view/897.