Immunologic evaluation of older patients.
D000368:Aged; D000937:Antigen-Antibody Reactions; D006801:Humans; D007154:Immune System Diseases / Q000175:diagnosis*; D007111:Immunity, Cellular; D007120:Immunochemistry; D007136:Immunoglobulins / Q000032:analysis
D007136:Immunoglobulins