Comparative investigations on different cystogenic toxoplasma strains. (Virulence of the parasites and their influence on the host organism).
D000818:Animals; D000917:Antibody Formation; D003560:Cysts / Q000209:etiology; D006801:Humans; D008722:Methods; D051379:Mice; D013997:Time Factors; D014122:Toxoplasma / Q000276:immunology*