OliveiraT. M. L.; RehfeldI. S.; MatosA. C. D.; Rivetti JuniorA. V.; GuedesM. I. M. C.; AbrahãoJ. S.; KroonE. G.; LobatoZ. I. P. Vaccina Virus: Presence of Viral DNA in Milk of Experimental Infected Cows. Rev. Educ. Cont. Med. Vet. Zootec. 1, 9, 37-38.