Cobalt.
D000328:Adult; D000740:Anemia / Q000188:drug therapy; D000821:Animal Feed / Q000032:analysis; D000818:Animals; D001692:Biological Transport; D001823:Body Composition; D002648:Child; D003035:Cobalt / Q000494:pharmacology / Q000502:physiology; D003677:Deficiency Diseases / Q000378:metabolism; D005260:Female; D005504:Food Analysis; D006801:Humans; D007455:Iodine / Q000378:metabolism; D007501:Iron / Q000378:metabolism; D008099:Liver / Q000378:metabolism; D008297:Male; D008345:Manganese / Q000378:metabolism; D009751:Nutritional Requirements; D011086:Polycythemia / Q000139:chemically induced; D011247:Pregnancy; D013961:Thyroid Gland / Q000502:physiology; D014675:Vegetables / Q000032:analysis; D014805:Vitamin B 12 / Q000502:physiology*
D003035:Cobalt; D008345:Manganese; D007455:Iodine; D007501:Iron; D014805:Vitamin B 12