title: Hemoglobin levels and nutritional iron requirements in college runners.
mesh_terms: D000293:Adolescent; D000328:Adult; D006452:Hemoglobinometry; D006454:Hemoglobins / Q000378:metabolism; D006801:Humans; D007501:Iron / Q000378:metabolism*; D008297:Male; D009751:Nutritional Requirements; D012420:Running
chemical_list: D006454:Hemoglobins; D007501:Iron