1. World Health Organization. General information on counterfeit medicines. Geneva: WHO. Available from: http://www.who.int/medicines/services/counterfeit/overview/en/ [accessed 03.11.09].
2. Counterfeits kill. Nurses target counterfeit medicines;International Council of Nurses,2005
3. Counterfeit medicines fact sheet;World Health Organization,2006
4. Substandard and counterfeit medicines fact sheet;World Health Organization,2003
5. Combating counterfeit drugs: a concept paper for effective international cooperation;World Health Organization,2006