1. Howard Zucker.Combating counterfeit drugs: building effective international collaboration. World Health Organization, Rome, Italy 16 February 2006.
2. International Pharmaceutical Federation, (FIP). Statement of policy on counterfeit medicines.FIP 63rd World Congress. Sydney, Australia, 5–9 September 2003.
3. WHO. World Health Organization counterfeit drugs: report of the International Workshop on Counterfeit Drugs, HO/DRS/CFD98.1, Geneva, Switzerland 26–28 November 1997.
4. Norris J.Don’t blame parents. The New York Sun, 28 August 2003.