title: Serological differentiation of Legionnaires' disease and Mycoplasma pneumoniae and Chlamydia psittaci pneumonia.
mesh_terms: D000907:Antibodies, Bacterial / Q000032:analysis*; D006801:Humans; D007877:Legionnaires' Disease / Q000175:diagnosis*; D011019:Pneumonia, Mycoplasma / Q000175:diagnosis*; D009956:Psittacosis / Q000175:diagnosis*
chemical_list: D000907:Antibodies, Bacterial