Mycoplasmal pneumonia.
D003168:Complement Fixation Tests; D003937:Diagnosis, Differential; D006801:Humans; D009175:Mycoplasma Infections / Q000175:diagnosis / Q000188:drug therapy; D011014:Pneumonia / Q000175:diagnosis / Q000188:drug therapy; D011024:Pneumonia, Viral / Q000175:diagnosis