title: An empiric approach to pneumonia.
mesh_terms: D000328:Adult; D002675:Child, Preschool; D006801:Humans; D007711:Klebsiella pneumoniae / Q000302:isolation & purification; D009175:Mycoplasma Infections / Q000175:diagnosis; D011014:Pneumonia / Q000175:diagnosis / Q000628:therapy; D011023:Pneumonia, Staphylococcal / Q000175:diagnosis; D011024:Pneumonia, Viral / Q000175:diagnosis; D011552:Pseudomonas Infections / Q000175:diagnosis