1. American foulbrood in honeybees and its causative agent;Genersch;Paenibacillus larvae. J Invertebr. Pathol.,2010
2. Joint FAO/WHO Food Standards Programme Codex Committee on Residues of Veterinary Drugs in Foods CX/RVDF 10/19/10 ftp://ftp.fao.org/codex/Meetings/CCRVDF/ccrvdf19/rv19_10e.pdf
3. http://www.accessdata.fda.gov/scripts/animaldrugsatfda/
4. http://www.ema.europa.eu/docs/en_GB/document_library/Maximum_Residue_Limits_-_Summary_of_opinion/2010/02/WC500073539.pdf
5. http://ec.europa.eu/health/documents/eudralex/vol-8/index_en.htm