title: Antibody formation in persistent tolerant infection with lymphocytic choriomeningitis virus.
mesh_terms: D000375:Aging; D000818:Animals; D000831:Animals, Newborn; D000917:Antibody Formation; D005260:Female; D005455:Fluorescent Antibody Technique; D007108:Immune Tolerance; D008217:Lymphocytic choriomeningitis virus / Q000276:immunology; D008431:Maternal-Fetal Exchange; D051379:Mice; D011247:Pregnancy; D014713:Viruses, Unclassified / Q000276:immunology*