title: Letter: The Delaney Clause.
mesh_terms: D002273:Carcinogens; D005503:Food Additives; D005525:Food-Processing Industry; D006801:Humans; D007878:Legislation as Topic; D009369:Neoplasms / Q000517:prevention & control*; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D002273:Carcinogens; D005503:Food Additives