17?-Hydroxyestra-4,9,11-trien-3-one (Trenbolone) preserves bone mineral density in skeletally mature orchiectomized rats without prostate enlargement.
McCoy SC, Yarrow JF, Conover CF, Borsa PA, Tillman MD, Conrad BP, Pingel JE, Wronski TJ, Johnson SE, Kristinsson HG, Ye F, Borst SE. 17?-Hydroxyestra-4,9,11-trien-3-one (Trenbolone) preserves bone mineral density in skeletally mature orchiectomized rats without prostate enlargement. Bone. 2012 Oct; 51(4):667-73.