1. Replacement, reduction or refinement of animal use in the quality control of veterinary vaccines: development, validation and implementation;van der Kamp,1996
2. Replacement, reduction and refinement of animal experiments in the development and control of biological products;Castle,1996
3. Three Rs approaches to the production and quality control of avian vaccines. The Report and recommendations of the ECVAM workshop 41;Bruckner;ATLA,2000
4. Three Rs potential in the development and quality control of immunobiologicals;Halder;ALTEX,2001