title: A Tween-ether preparation of Toxoplasma gondii antigen for the complement fixation test.
mesh_terms: D000818:Animals; D000941:Antigens; D003168:Complement Fixation Tests; D004987:Ethers; D051379:Mice; D013501:Surface-Active Agents; D014122:Toxoplasma / Q000276:immunology*
chemical_list: D000941:Antigens; D004987:Ethers; D013501:Surface-Active Agents