title: The use of tissue culture-grown trophozoites of an avirulent strain of Toxoplasma gondii for the immunization of mice and guinea pigs.
mesh_terms: D000818:Animals; D046508:Culture Techniques; D005260:Female; D006168:Guinea Pigs; D007274:Injections, Intraperitoneal; D007668:Kidney; D007739:L Cells; D008297:Male; D008675:Metamorphosis, Biological; D051379:Mice; D013997:Time Factors; D014122:Toxoplasma / Q000254:growth & development*; D014124:Toxoplasmosis, Animal / Q000276:immunology*