Nutritional anemias--WHO research program. Early developments and progress report of collaborative studies.
D000740:Anemia / Q000209:etiology*; D005260:Female; D006306:Health Surveys; D006725:Hookworm Infections / Q000150:complications; D006801:Humans; D008297:Male; D009748:Nutrition Disorders / Q000150:complications*; D009749:Nutrition Surveys; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic; D011446:Prospective Studies; D014944:World Health Organization