title: Reduced immune potential of aged mice: significance of morphologic changes in lymphatic tissue.
authors.forename: M G
authors.initials: MG
authors.lastname: Hanna
authors.forename: P
authors.initials: P
authors.lastname: Nettesheim
authors.forename: L
authors.initials: L
authors.lastname: Ogden
authors.forename: T
authors.initials: T
authors.lastname: Makinodan
mesh_terms: D000375:Aging / Q000276:immunology*; D000818:Animals; D005260:Female; D006388:Hemagglutinins / Q000097:blood; D008221:Lymphoid Tissue / Q000254:growth & development* / Q000276:immunology*; D008297:Male; D051379:Mice; D008809:Mice, Inbred C3H; D008810:Mice, Inbred C57BL; D012756:Sheep / Q000276:immunology; D013156:Splenectomy
chemical_list: D006388:Hemagglutinins