Immune response of calves vaccinated with Brucella abortus S19 or RB51 and revaccinated with RB51 - Dorneles, Elaine M. S; Lima, Graciela K; Teixeira-Carvalho, Andréa; Araújo, Márcio S. S; Martins-Filho, Olindo A; Sriranganathan, Nammalwar; Al Qublan, Hamzeh; Heinemann, Marcos Bryan; Lage, Andrey P (Plos One, 2015)