title: Carboxyhemoglobin sources in the metropolitan St. Louis population.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000397:Air Pollution / Q000032:analysis; D044383:Black People; D001782:Blood Donors; D002248:Carbon Monoxide / Q000032:analysis; D002263:Carboxyhemoglobin / Q000032:analysis; D004781:Environmental Exposure; D005260:Female; D006454:Hemoglobins / Q000032:analysis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008923:Missouri; D009787:Occupational Medicine; D012424:Rural Population; D012737:Sex Factors; D012907:Smoking / Q000503:physiopathology; D012959:Socioeconomic Factors; D013997:Time Factors; D014195:Travel; D014505:Urban Population; D044465:White People; D001741:Black or African American
chemical_list: D006454:Hemoglobins; D002248:Carbon Monoxide; D002263:Carboxyhemoglobin