title: Letters to the editor: The magnitude and the implications of apparent race differences in hemoglogin values.
mesh_terms: D000293:Adolescent; D000328:Adult; D000349:Africa / Q000208:ethnology; D000367:Age Factors; D000368:Aged; D044383:Black People; D002648:Child; D002675:Child, Preschool; D005260:Female; D006454:Hemoglobins / Q000378:metabolism*; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D009749:Nutrition Surveys; D012737:Sex Factors; D012959:Socioeconomic Factors; D013178:Sports Medicine; D014481:United States; D044465:White People; D001741:Black or African American
chemical_list: D006454:Hemoglobins