title: Envelope classification of avian RNA tumor viruses.
mesh_terms: D001355:Alpharetrovirus / Q000145:classification*; D000818:Animals; D000956:Antigens, Viral; D002645:Chickens; D003429:Cross Reactions; D046508:Culture Techniques; D004372:Ducks; D005347:Fibroblasts; D005777:Geese; D005827:Genetics, Microbial; D005838:Genotype; D008322:Mammals; D010641:Phenotype; D011784:Quail; D012526:Satellite Viruses; D013045:Species Specificity; D014422:Turkeys; D014762:Viral Interference; D014776:Virus Cultivation
chemical_list: D000956:Antigens, Viral