Wegener, M., Bruckner, L. and Cussler, K. (1998) “[The establishment of endotoxin limits which satisfy animal welfare considerations in the testing of porcine vaccines] [Article in German]”, ALTEX - Alternatives to animal experimentation, 15(Supp. 1), pp. 65–67. Available at: https://www.altex.org/index.php/altex/article/view/2100 (Accessed: 4 May 2024).