Langhardt, A., Frank, L., Küchler, B., & Jungbäck, C. (1998). [Avian Enzephalomyelitis of poultry: Contribution on the reduction of animals during vaccine testing] [Article in German]. ALTEX - Alternatives to Animal Experimentation, 15(Supp. 1), 49–52. Retrieved from https://www.altex.org/index.php/altex/article/view/2095