title: [Peculiarities of the behavior of a low-virulence strain of toxoplasma in frequent passages].
mesh_terms: D000818:Animals; D051379:Mice; D008807:Mice, Inbred BALB C; D008815:Mice, Inbred Strains; D014122:Toxoplasma / Q000472:pathogenicity*; D014124:Toxoplasmosis, Animal / Q000276:immunology; D014774:Virulence
vernacular_title: Osobennosti povedeniia malovirulentnogo shtamma toksoplazm pri chasm passirovanii