Barbosa, C. N.; Martins, N. R.; Esteves, E. G.; Freitas, T. R. P. Research of Antigen and Antibodies Against Porcine Circovirus Type - 2 in Pigs With and Without Postweaning Multsystemic Wasting Syndrome from Commercial Farms of Minas Gerais State. Semina: Ciênc. Agrár. 2011, 32, 1513-1526.