title: When to remove the tube?
mesh_terms: D000768:Anesthesia, General; D000769:Anesthesia, Inhalation; D006801:Humans; D007442:Intubation, Intratracheal; D009125:Muscle Relaxants, Central; D009609:Nitrous Oxide; D010100:Oxygen; D011175:Positive-Pressure Respiration
chemical_list: D009125:Muscle Relaxants, Central; D009609:Nitrous Oxide; D010100:Oxygen