title: Pneumonia guidelines will affect 750,000 ED patients.
mesh_terms: D000328:Adult; D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D017714:Community-Acquired Infections / Q000175:diagnosis* / Q000188:drug therapy; D006801:Humans; D018410:Pneumonia, Bacterial / Q000175:diagnosis* / Q000188:drug therapy; D017410:Practice Guidelines as Topic; D014481:United States
chemical_list: D000900:Anti-Bacterial Agents