1. World Anti‐Doping Agency.Prohibited List.https://www.wada-ama.org/sites/default/files/wada_2020_english_prohibited_list_0.pdf. Accessed April 29 2020.
2. World Anti‐Doping Agency.International Standard for Testing and Investigations.https://www.wada-ama.org/sites/default/files/resources/files/isti_march2019.pdf. Accessed April 29 2020.
3. Brief History of Anti-Doping
4. Detection Times of Drugs of Abuse in Blood, Urine, and Oral Fluid
5. World Anti‐Doping Agency.Urine Sample Collection Guidelines.https://www.wada-ama.org/sites/default/files/resources/files/wada_guidelines_urine_sample_collection_2014_v1.0_en.pdf. Accessed July 7 2020.