Last updated on 23-11-2023 by Andy Haegeman Animal health Download 1.24 MBPublic AccessPublished Peer reviewed scientific article English DOI : https://efsa.onlinelibrary.wiley.com/doi/pdf/10.2903/sp.efsa.2009.EN-6 AuthorsMatthias Kramer; Christoph Staubach; F. Koenen; Andy Haegeman; Françoise Pol; Marie-Frédérique Le Potier; Irene Greiser-Wilke Keywords Associated health topics: Animal health