KRÁL, P., S. MARAÑON HERRERA, E. MAYA PEÑA, and H. SALGADO ZAMORA. “Anabolic and Androgenic Effect of Steroid Trenbolone Acetate on Guppy (Poecilia Reticulata)”. Veterinaria México OA, vol. 39, no. 3, Oct. 2009, https://veterinariamexico.fmvz.unam.mx/index.php/vet/article/view/216.