Anemia in preschool children in the United States of America.
D001741:Black or African American; D000740:Anemia / Q000097:blood; D000747:Anemia, Hypochromic / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D006400:Hematocrit; D006801:Humans; D007501:Iron / Q000627:therapeutic use; D008403:Mass Screening; D009748:Nutrition Disorders / Q000453:epidemiology; D012959:Socioeconomic Factors; D014481:United States
D007501:Iron