title: [Immunological defense capacity in persons of advanced age].
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000818:Animals; D000917:Antibody Formation; D000921:Antibody-Producing Cells / Q000276:immunology; D001774:Blood Chemical Analysis; D003165:Complement System Proteins / Q000032:analysis; D003520:Cyclophosphamide / Q000494:pharmacology; D004912:Erythrocytes / Q000276:immunology; D006462:Hemolytic Plaque Technique; D006801:Humans; D007109:Immunity; D005779:Immunodiffusion; D007070:Immunoglobulin A / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D007156:Immunologic Memory; D007165:Immunosuppression Therapy; D051379:Mice; D008875:Middle Aged; D012756:Sheep / Q000276:immunology; D013154:Spleen / Q000166:cytology
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D003520:Cyclophosphamide; D003165:Complement System Proteins
vernacular_title: Die Fähigkeit zur Infektionsabwehr im höheren Lebensalter