1. World Anti-Doping Agency (WADA) (2021). https://www.wada-ama.org/
2. World Anti-Doping Agency (WADA). The Code (2021). https://www.wada-ama.org/sites/default/files/resources/files/2021_wada_code.pdf
3. World Anti-Doping Agency (WADA). International Standard (2021). https://www.wada-ama.org/en/what-we-do/international-standards
4. World Anti-Doping Agency (WADA) (2021). https://www.wada-ama.org/en/what-we-do/science-medical/laboratories
5. World Anti-Doping Agency (WADA). Guideline (2021). https://www.wada-ama.org/en/resources/search?f%5B0%5D=field_resource_collections%3A190