[1]
A. C. Antonelli, C. S. Mori, P. C. Soares, S. S. Kitamura, and E. L. Ortolani, “Experimental ammonia poisoning in cattle fed extruded or prilled urea: clinical findings”, Braz. J. Vet. Res. Anim. Sci., vol. 41, no. 1, pp. 67-74, Feb. 2004.