Moreira, Paulo Sérgio Andrade, Antonio Carlos Silveira, Mário de Beni Arrigoni, Ciniro Costa, Luis Arthur Loyola Chardulo, Luis Roberto Furlan, and Vitalino Dal Pai. 2000. “Effect of Somatotropin on Hyperthrophy of Skeletal Muscle Fibers and Reproductive Precocity of Nelore Heifers”. Pesquisa Agropecuaria Brasileira 35 (9):1853-60. https://doi.org/10.1590/S1678-3921.pab2000.v35.5967.