title: Postoperative gramnegative pneumonia.
mesh_terms: D000336:Aerosols; D000900:Anti-Bacterial Agents / Q000008:administration & dosage; D001419:Bacteria / Q000302:isolation & purification; D001424:Bacterial Infections / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology*; D004334:Drug Administration Schedule; D006801:Humans; D011014:Pneumonia / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology*; D011183:Postoperative Complications / Q000175:diagnosis / Q000188:drug therapy; D013902:Radiography, Thoracic; D013183:Sputum / Q000382:microbiology
chemical_list: D000336:Aerosols; D000900:Anti-Bacterial Agents