Cold haemagglutination in primary atypical pneumonia.
D006384:Hemagglutination; D006801:Humans; D007251:Influenza, Human; D011014:Pneumonia; D018410:Pneumonia, Bacterial; D011019:Pneumonia, Mycoplasma / Q000276:immunology*
HEMAGGLUTINATION; PNEUMONIA, PRIMARY ATYPICAL/immunology