carbon monoxide
['Carbon monoxide poisoning from gasoline-powered engines: risk perception among Midwest flood victims (letter to editor)', 'William E. Halperin', 'National Institute for Occupational Safety and Health', 'carbon monoxide', 'American Journal of Public Health', 'Carbon monoxide poisoning from gasoline-powered engines: risk perception among Midwest flood victims (letter to editor)', 'Signs of an olive branch: confronting the environmental health consequences of the Midwestern floods.']