title: Subacute upper respiratory infection in small children.
mesh_terms: D000768:Anesthesia, General / Q000009:adverse effects*; D002675:Child, Preschool; D005260:Female; D006221:Halothane; D006801:Humans; D007223:Infant; D008168:Lung / Q000503:physiopathology; D008171:Lung Diseases / Q000209:etiology; D009609:Nitrous Oxide; D010100:Oxygen; D001261:Pulmonary Atelectasis / Q000209:etiology*; D012141:Respiratory Tract Infections / Q000150:complications* / Q000503:physiopathology
chemical_list: D009609:Nitrous Oxide; D010100:Oxygen; D006221:Halothane