1. Remington JS, Mcleod R, Desmonts G. Toxoplasmosis. In: Remington JS, Klein JO., editors. Infectious diseases of the fetus and newborn infant. 4th ed. Philadelphia: W.B. Saunders, 1995. p. 140–268.
2. Protozoan infections (Toxoplasma gondii, Neospora caninum and Sarcocystis spp.) in sheep and goats: recent advances;Buxton;Vet. Res.,1998
3. Toxoplasma gondii in cats: fecal stages identified as coccidian oocysts;Frenkel;Science,1970
4. Toxoplasma gondii: from animals to humans;Tenter;Int. J. Parasitol.,2000
5. Pathogenesis of toxoplasmic retinochoroiditis;Roberts;Parasitol. Today,1999