Breast milk.
D005260:Female; D006801:Humans; D007501:Iron / Q000032:analysis; D007774:Lactation; D008055:Lipids / Q000032:analysis; D008895:Milk, Human / Q000032:analysis / Q000276:immunology; D004364:Pharmaceutical Preparations / Q000032:analysis; D011247:Pregnancy; D011506:Proteins / Q000032:analysis
D008055:Lipids; D004364:Pharmaceutical Preparations; D011506:Proteins; D007501:Iron