title: Immunological cross-reactions of the major internal protein component from "slow" viruses of sheep.
mesh_terms: D000818:Animals; D000956:Antigens, Viral / Q000032:analysis*; D003429:Cross Reactions; D046508:Culture Techniques; D008168:Lung / Q000276:immunology; D008970:Molecular Weight; D010455:Peptides / Q000276:immunology; D011021:Pneumonia, Progressive Interstitial, of Sheep / Q000276:immunology; D012328:RNA Viruses / Q000276:immunology*; D011863:Radioimmunoassay; D012756:Sheep; D014764:Viral Proteins / Q000276:immunology*; D014790:Visna-maedi virus / Q000276:immunology*
chemical_list: D000956:Antigens, Viral; D010455:Peptides; D014764:Viral Proteins