Cold agglutinins in pneumonia.
D000906:Antibodies / Q000032:analysis*; D003080:Cold Temperature; D003168:Complement Fixation Tests; D006801:Humans; D009175:Mycoplasma Infections / Q000276:immunology; D011014:Pneumonia / Q000175:diagnosis / Q000276:immunology*
D000906:Antibodies