1. International Medical Products Anti-Counterfeiting Taskforce (IMPACT), Counterfeit drugs kill, May 2008. 〈http://www.who.int/impact/FinalBrochureWHA2008a.pdf〉 (accessed 27.09.13).
2. World Health Organization (WHO), General information on counterfeit medicines. 〈http://www.who.int/medicines/services/counterfeit/overview/en〉 (accessed 27.09.13).
3. Impurity fingerprints for the identification of counterfeit medicines—A feasibility study
4. Assessing the problem of counterfeit medications in the United Kingdom
5. European Alliance for Access to Safe Medicines (EAASM), The Counterfeiting Superhighway, 2008. 〈http://www.eaasm.eu/cache/downloads/dqqt3sge9hwssgcgcos440g40/455_EAASM_counterfeiting%20report_020608(1).pdf〉 (accessed 27.09.13).