title: [Legionella versus psittacosis].
mesh_terms: D003429:Cross Reactions; D003937:Diagnosis, Differential; D006801:Humans; D007875:Legionella / Q000276:immunology; D007877:Legionnaires' Disease / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D009956:Psittacosis / Q000175:diagnosis*
vernacular_title: Legionella frente a psitacosis.