Araujo, F.A.P. Santos, J.R. Souza, W.J.S. Standardization of the enzyme-linked immunosorbent assay (ELISA)for the detection of antibodies for Toxoplasma gondii in swine (Sus scrofa)sera Subjects--Topical Terms: SUÍNOToxoplasmoseELISAAtividade Enzimica