
Blood samples from 431 persons (age: 78 to 99 years) were examined by the direct anti-human-globulin test (d. AHGT ) with polyspecific and monospecific antisera. Three antibody-mediated positive d. AHGT were found. There was no increase in non antibody-mediated positive complement Coombs reactions in healthy persons of high age.
Coombs Test, Erythrocytes, Immunoglobulin G, Humans, Complement System Proteins, Cryoglobulins, Aged, Autoantibodies
Coombs Test, Erythrocytes, Immunoglobulin G, Humans, Complement System Proteins, Cryoglobulins, Aged, Autoantibodies
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