title: Visna and maedi virus antigen in infected cell cultures studied by the fluorescent antibody technique.
mesh_terms: D000818:Animals; D000941:Antigens / Q000378:metabolism*; D002831:Choroid Plexus; D003168:Complement Fixation Tests; D046508:Culture Techniques; D005455:Fluorescent Antibody Technique; D007106:Immune Sera; D008722:Methods; D012328:RNA Viruses / Q000276:immunology*; D012756:Sheep; D013997:Time Factors
chemical_list: D000941:Antigens; D007106:Immune Sera