1. European Commission(2007)Special Eurobarometer 270/Wave 66.1 – TNS Opinion & Social. Attitudes of EU citizens towards Animal Welfare.http://ec.europa.eu/public_opinion/archives/ebs/ebs_270_en.pdf
2. European Commission(2010)Special Eurobarometer 340/Wave 73.1 – TNS Opinion & Social. Science and Technology.http://ec.europa.eu/public_opinion/archives/ebs/ebs_340_en.pdf
3. European Union(2010)DIRECTIVE 2010/63/EU on the protection of animals used for scientific purposes.http://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:32010L0063&from=EN
4. National Competent Authorities for the implementation of Directive 2010/63/EU on the protection of animals used for scientific purposes (2013)Working document on genetically altered animals.http://ec.europa.eu/environment/chemicals/lab_animals/pdf/corrigendum.pdf