title: Serological evidence for antigenic variation in brains of mice infected persistently with the virus of lymphocytic choriomeningitis.
mesh_terms: D000818:Animals; D000956:Antigens, Viral / Q000032:analysis*; D001921:Brain / Q000276:immunology*; D005260:Female; D005315:Fetal Diseases / Q000276:immunology; D014644:Genetic Variation; D007108:Immune Tolerance; D008216:Lymphocytic Choriomeningitis / Q000151:congenital / Q000276:immunology*; D008217:Lymphocytic choriomeningitis virus / Q000276:immunology*; D051379:Mice; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000276:immunology
chemical_list: D000956:Antigens, Viral