title: Immunologic deficiencies in senescence. II. Characterization of extrinsic deficiencies.
mesh_terms: D000375:Aging; D000818:Animals; D000921:Antibody-Producing Cells; D046508:Culture Techniques; D005260:Female; D007112:Immunity, Maternally-Acquired; D007116:Immunization, Passive; D007136:Immunoglobulins / Q000096:biosynthesis; D008297:Male; D051379:Mice; D008815:Mice, Inbred Strains; D011833:Radiation Injuries, Experimental / Q000276:immunology; D013154:Spleen / Q000166:cytology / Q000276:immunology* / Q000637:transplantation; D014181:Transplantation Immunology
chemical_list: D007136:Immunoglobulins