Maternal nutrition: an essential element of primary health care.
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D000740:Anemia / Q000517:prevention & control; D005260:Female; D006801:Humans; D009747:Nutritional Physiological Phenomena; D009752:Nutritional Status; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic / Q000517:prevention & control; D011295:Prenatal Care; D011320:Primary Health Care