Letter: FDA drug bulletin.
D000329:Advertising; D003142:Communication; D004348:Drug Labeling; D006801:Humans; D006986:Hypervitaminosis A; D007880:Legislation, Drug; D008903:Minerals; D014481:United States; D014486:United States Food and Drug Administration; D014807:Vitamin D / Q000506:poisoning; D014815:Vitamins
D008903:Minerals; D014815:Vitamins; D014807:Vitamin D