1. World Anti-Doping Agency (WADA), 2017 Laboratory Testing Figures. https://www.wada-ama.org/sites/default/files/resources/files/2017_anti-doping_testing_figures_en_0.pdf. (Accessed November 13 2019).
2. C. Ayotte, Detecting the administration of endogenous anabolic androgenic steroids, in: D. Thieme, P. Hemmersbach (Eds.), Doping in Sports, Handb. Exp. Pharmacol., Springer-Verlag Berlin Heidelberg 2010, Berlin Heidelberg, 2010, pp. 77–98.
3. World Anti-Doping Agency (WADA), Technical Document TD2018EAAS. Endogenous Anabolic Androgenic Steroids. Measurement and Reporting. https://www.wada-ama.org/sites/default/files/resources/files/td2018eaas_final_eng.pdf. (Accessed November 13 2019).
4. P.E. Sottas, The steroidal passport, Anti-Doping Denmark Research Seminar (2013).
5. Endogenous steroid profiling in the athlete biological passport;Sottas;Endocrinol. Metab. Clin. North Am.,2010