title: Legionnaires' disease: diagnosis and differentiation from Mycoplasma pneumoniae pneumonia by counterimmunoelectrophoresis.
mesh_terms: D003378:Counterimmunoelectrophoresis; D003937:Diagnosis, Differential; D006801:Humans; D007122:Immunoelectrophoresis; D007877:Legionnaires' Disease / Q000175:diagnosis*; D011019:Pneumonia, Mycoplasma / Q000175:diagnosis*