title: The importance of analytical chemistry to food and drug regulation.
mesh_terms: D056246:Chemistry, Analytic / Q000266:history; D005504:Food Analysis / Q000266:history*; D005506:Food Contamination; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D049711:History, Modern 1601-; D007880:Legislation, Drug / Q000639:trends*; D007881:Legislation, Food / Q000639:trends*; D014481:United States