False positive hemoagglutination by allantoic fluids of embryonated eggs inoculated with unfiltered throat washings.
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D000371:Agglutination; D000373:Agglutinins; D000482:Allantois; D001432:Bacteriology; D004531:Eggs; D006801:Humans; D010614:Pharynx / Q000382:microbiology*
D000373:Agglutinins