title: Extra antenatal supplements do little for healthy Chinese women.
mesh_terms: D002681:China; D019587:Dietary Supplements; D005260:Female; D006801:Humans; D007501:Iron / Q000627:therapeutic use*; D018977:Micronutrients / Q000627:therapeutic use*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000517:prevention & control*; D011256:Pregnancy Outcome; D011295:Prenatal Care / Q000379:methods*
chemical_list: D018977:Micronutrients; D007501:Iron