Studies and Reviews:

A wide selection of steroid products - https://mightymicksgym.com/

Testosterone Enanthate Study - https://www.nejm.org/doi/full/10.1056/NEJM199607043350101

Effective Reps - https://www.strongerbyscience.com/effective-reps/

Protein dose-response for hypertrophy - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4245564/

Pharmacology of Anabolic Steroids - https://pmc.ncbi.nlm.nih.gov/articles/PMC2439524/