Kuhlmann, Ingrid, Waltraud Kurth, and Irmela Ruhdel. 1989. “[Monoclonal Antibodies: In Vivo and in Vitro Production in Laboratory Scale With Consideration of the Legal Aspects of Animal Protection] [Article in German]”. ALTEX - Alternatives to Animal Experimentation 6 (2):12-26. https://www.altex.org/index.php/altex/article/view/1882.