title: Antigenic variation of the avian myeloblastosis virus obtained from chick embryo fibroblasts.
mesh_terms: D000818:Animals; D000956:Antigens, Viral / Q000032:analysis*; D001354:Avian Leukosis Virus / Q000276:immunology* / Q000302:isolation & purification; D002478:Cells, Cultured; D002642:Chick Embryo; D005347:Fibroblasts / Q000276:immunology / Q000382:microbiology; D007114:Immunization; D007122:Immunoelectrophoresis; D015470:Leukemia, Myeloid, Acute / Q000276:immunology; D011817:Rabbits / Q000276:immunology
chemical_list: D000956:Antigens, Viral