research The activin binding proteins follistatin and follistatin-related protein are differentially regulated in vitro and during cutaneous wound repair 46 citations , December 2001 in “Journal of Endocrinology/Journal of endocrinology” FLRG and follistatin have different roles in wound healing.
research The Mechanisms of Anabolic Steroids, Selective Androgen Receptor Modulators and Myostatin Inhibitors 2 citations , June 2022 in “대한스포츠의학회지” Anabolic steroids boost muscle growth, SARMs increase muscle mass and bone density without side effects, and myostatin inhibitors block a protein that stops muscle growth, but each has potential risks.