[First aid in gas poisoning in large cities].
D001803:Blood Transfusion; D002249:Carbon Monoxide Poisoning / Q000453:epidemiology / Q000628:therapy*; D003580:Cytochromes / Q000627:therapeutic use; D005392:First Aid; D006801:Humans; D007564:Japan; D010102:Oxygen Inhalation Therapy
D003580:Cytochromes