title: Historical perspectives on regulatory issues of antimicrobial resistance.
authors.affiliation: Agricultural Research Division, American Cyanamid Co.
authors.forename: R H
authors.initials: RH
authors.lastname: Gustafson
mesh_terms: D000821:Animal Feed / Q000266:history*; D000818:Animals; D000900:Anti-Bacterial Agents / Q000266:history* / Q000633:toxicity; D004352:Drug Resistance, Microbial; D004739:England; D005062:European Union; D005503:Food Additives / Q000266:history* / Q000633:toxicity; D049673:History, 20th Century; D006801:Humans; D007880:Legislation, Drug / Q000266:history*; D011634:Public Health; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D000900:Anti-Bacterial Agents; D005503:Food Additives