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2. World Anti-Doping Agency The 2017 Prohibited List https://www.wada-ama.org/sites/default/files/resources/files/2016-09-29_wada_prohibited_list_2017_eng_final.pdf
3. World Anti-Doping Agency Past Prohibited Lists https://www.wada-ama.org/en/resources/science-medicine/prohibited-list
4. The Global Asthma Report 2014 http://www.globalasthmareport.org