Campos, A.C. Azevedo, E.O. Alcāntara, M.D.B. Silva, R.B.S. Cordeiro, A.A. Mamede, A.G. Melo, M.A. Nascimento, E.R. Castro, R.S. Efficiency of inactive vaccines against contagious agalactia in Brazil Subjects--Topical Terms: OVINOCAPRINOVACINAANTICORPO