@article{article79248157, title = {Biologic and genetic comparison of Toxoplasma gondii isolates in free-range chickens from the northern ParĂ¡ state and the southern state Rio Grande do Sul, Brazil revealed highly diverse and distinct parasite populations}, author = {Dubey, J. P and Sundar, N and Gennari, Solange Maria and Minervino, A. H. H and Farias, N. A. R and Ruas, J. L and Santos, T. R. B and Cavalcante, G. T and Kwok, O. C. H and Su, C}, year = {2007}, doi = {10.1016/j.vetpar.2006.08.024}, journal = {Veterinary Parasitology} }