title: The laetrile movement: a challenge to the FDA's regulating authority.
mesh_terms: D000678:Amygdalin / Q000627:therapeutic use*; D004335:Drug and Narcotic Control / Q000331:legislation & jurisprudence*; D006801:Humans; D007880:Legislation, Drug; D014481:United States
chemical_list: D000678:Amygdalin