Letter: Maternal nutrition.
D000818:Animals; D002648:Child; D005260:Female; D006801:Humans; D007415:Intestinal Obstruction / Q000139:chemically induced; D007501:Iron / Q000009:adverse effects / Q000506:poisoning / Q000627:therapeutic use; D007787:Lactose Intolerance / Q000517:prevention & control; D008429:Maternal Welfare; D008892:Milk; D009747:Nutritional Physiological Phenomena; D011247:Pregnancy; D044469:Racial Groups; D014481:United States
D007501:Iron