1. M. Becker The ethics of sports - We need an open market for doping Spiegel Online 2012 http://www.spiegel.de/international/zeitgeist/ethicist-savulescu-believes-doping-in-sports-should-be-allowed-a-844939.html
2. T. Black Anti-doping puritanism is killing sport Spiked 2013 http://www.spiked-online.com/newsite/article/wada_puritanism_is_ruining_sport/13829#.UiXagTbIZO4
3. The banning of sportsmen and women who fail drug tests is unjustifiable;Shuster;J. R. Coll. Physicians Edinb.,2013
4. D. Bijeljac Doping: UNESCO calls for ‘zero tolerance’ UNESCO - Social and Human Sciences 2013 http://www.unesco.org/new/en/social-and-human-sciences/themes/physical-education-and-sport/sv14/news/doping_unesco_calls_for_zero_tolerance/#.UiXOOzbIZO4
5. World Anti-Doping Agency The 2013 Prohibited List http://www.wada-ama.org/en/World-Anti-Doping-Program/Sports-and-Anti-Doping-Organizations/International-Standards/Prohibited-List/