title: Letter: The race difference in hemoglobin level in chronic renal failure patients.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D044383:Black People; D002648:Child; D002675:Child, Preschool; D003404:Creatinine / Q000097:blood; D005260:Female; D006454:Hemoglobins / Q000378:metabolism*; D006801:Humans; D007223:Infant; D007668:Kidney / Q000502:physiology; D007676:Kidney Failure, Chronic / Q000097:blood*; D016030:Kidney Transplantation; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D006435:Renal Dialysis; D012737:Sex Factors; D014481:United States; D044465:White People; D001741:Black or African American
chemical_list: D006454:Hemoglobins; D003404:Creatinine