[1]
C. N. M. Cortada, C. de S. Lucci, R. A. F. Gonzalez, R. Valentin, and C. B. de Mattos, “Plasma urea levels on reproductive parameters of wool-less rams (Ovis aries, LINNAEUS, 1758)”, Braz. J. Vet. Res. Anim. Sci., vol. 37, no. 6, pp. 457-461, Dec. 2000.