Fischer, Matthias, Katja Hartzsch, Thomas Hartung, and Thomas Montag-Lessing. 1998. “[First Results in the Prevaluation of the Human Whole Blood Assay for Pyrogens in Biological Pharmaceuticals] [Article in German]”. ALTEX - Alternatives to Animal Experimentation 15 (Supp. 1):10-13. https://www.altex.org/index.php/altex/article/view/2078.