title: Letter: Management of croup.
mesh_terms: D000402:Airway Obstruction / Q000209:etiology; D001784:Blood Gas Analysis; D002648:Child; D003490:Cyanosis / Q000209:etiology; D004825:Epiglottis; D006801:Humans; D007827:Laryngitis / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology / Q000628:therapy; D010100:Oxygen / Q000097:blood; D010313:Partial Pressure; D012131:Respiratory Insufficiency / Q000209:etiology; D014140:Tracheotomy
chemical_list: D010100:Oxygen