title: Cyst formation by Toxoplasma gondii (RH strain) in vitro. The role of immunologic mechanisms.
mesh_terms: D000818:Animals; D000937:Antigen-Antibody Reactions; D003315:Cornea; D046508:Culture Techniques; D003560:Cysts / Q000276:immunology*; D006168:Guinea Pigs; D007106:Immune Sera; D051379:Mice; D011817:Rabbits; D014122:Toxoplasma / Q000276:immunology*; D014126:Toxoplasmosis, Ocular / Q000276:immunology*
chemical_list: D007106:Immune Sera