1. Spanish Agency for Medicines and Health Products. http://www.aemps.gob.es/medicamentosUsoHumano/portada/home.htm . Accessed 10 Oct 2016.
2. Dutch Medicines Information Bank. http://www.geneesmiddeleninformatiebank.nl/ords/f?p=111 . Accessed 10 Oct 2016.
3. Norwegian Medicines Agency. http://www.legemiddelverket.no/Legemiddelsoek/Sider/default.aspx . Accessed 10 Oct 2016.
4. Vidal Directory of Medicines in Russia. http://www.vidal.ru/ . Accessed 10 Oct 2016.
5. Ukranian Medicine Index. http://compendium.com.ua/medical_product/ . Accessed 10 Oct 2016.