Serum ferritin in healthy school children.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D005293:Ferritins / Q000097:blood*; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D008297:Male
D006454:Hemoglobins; D005293:Ferritins