Iron deficiency.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000747:Anemia, Hypochromic / Q000175:diagnosis / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D004032:Diet; D005260:Female; D005502:Food; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007501:Iron / Q000008:administration & dosage / Q000378:metabolism; D000090463:Iron Deficiencies; D008297:Male; D008875:Middle Aged; D009753:Nutritive Value; D011247:Pregnancy; D012737:Sex Factors; D014481:United States
D007501:Iron