Sponer, Gisbert. “[Animal Experiments in the Context of Quality Control of Pharmaceuticals] [Article in German]: Review of the European Pharmacopoeia, 4th Edition, 2002”. ALTEX - Alternatives to animal experimentation 21, no. 2 (May 1, 2004): 73–80. Accessed September 25, 2022. https://altex.org/index.php/altex/article/view/968.