Natural dietary selenium,  -tocopherol and effect on tissue selenium.
D000821:Animal Feed / Q000032:analysis*; D000818:Animals; D005503:Food Additives / Q000032:analysis; D009132:Muscles / Q000378:metabolism; D012643:Selenium / Q000032:analysis / Q000378:metabolism*; D013552:Swine / Q000378:metabolism*; D014481:United States; D014810:Vitamin E / Q000032:analysis*
D005503:Food Additives; D014810:Vitamin E; D012643:Selenium