title: A drop method for the Sabin-Feldman dye test using rodent serum as a source of accessory factor.
mesh_terms: D000818:Animals; D008722:Methods; D051381:Rats; D012698:Serologic Tests; D014123:Toxoplasmosis / Q000175:diagnosis*; D014815:Vitamins / Q000097:blood*
chemical_list: D014815:Vitamins