FernandesJ. S., CrispimB. A., SenoL. O., Aspilcueta-BorquisR. R., and BarufattiA. “Polymorphisms Related to Bovine Leptin Gene and Association With Productive and Reproductive Traits in Nellore Heifers”. Tropical Animal Science Journal, Vol. 43, no. 1, Feb. 2020, pp. 18-24, doi:10.5398/tasj.2020.43.1.18.