CIANZIO, D. PRELIMINARY RESULTS FROM A STUDY AT FARM LEVEL OF THE EFFECT OF ZERANOL IN GROWTH OF SUCKLING BULL CALVES. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 69, n. 2, p. 225–228, 1985. DOI: 10.46429/jaupr.v69i2.7348. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/7348. Acesso em: 8 feb. 2023.