Gassmann, Max, and Ulrich Hübscher. “[Use of Polyclonal Antibodies from Egg Yolk of Immunised Chickens (minireview)] [Article in German]”. ALTEX - Alternatives to animal experimentation 9, no. 1 (March 1, 1992): 5–14. Accessed May 7, 2024. https://altex.org/index.php/altex/article/view/1826.