Lindl, T., Gross, U., Ruhdel, I., von Aulock, S., & Völkel, M. (2012). Guidance on determining indispensability and balancing potential benefits of animal experiments with costs to the animals with specific consideration of EU Directive 2010/63/EU. ALTEX - Alternatives to Animal Experimentation, 29(2), 219–228. https://doi.org/10.14573/altex.2012.2.219