title: Carboxyhemoglobin levels in American blood donors.
mesh_terms: D000397:Air Pollution; D001782:Blood Donors; D002248:Carbon Monoxide / Q000009:adverse effects; D002263:Carboxyhemoglobin / Q000032:analysis; D004781:Environmental Exposure; D005260:Female; D006454:Hemoglobins / Q000032:analysis*; D006801:Humans; D008297:Male; D009790:Occupations; D012119:Respiration; D012424:Rural Population; D012907:Smoking / Q000150:complications; D013053:Spectrophotometry; D014481:United States; D014505:Urban Population
chemical_list: D006454:Hemoglobins; D002248:Carbon Monoxide; D002263:Carboxyhemoglobin