s

The anatomy of muscle growth:

Erythropoietin and endurance - https://pmc.ncbi.nlm.nih.gov/articles/PMC3483038/

Wide selection of pharmacological agents - https://shop-testosterona24.com/

RPE and autoregulation - https://www.strongerbyscience.com/rpe/

Anti-doping rule violations - https://www.wada-ama.org/en/anti-doping-rule-violations