TY - BOOK AU - Ayres,John Clifton ED - United States. Public Health Service. Toxicology Study Section ED - University of Puerto Rico. Dept. of Biology. TI - The safety of foods: an international symposium on the safety and importance of foods in the Western Hemisphere held at the University of Puerto Rico Mayaguez, Puerto Rico PY - 1968/// CY - Westport, Conn. PB - AVI KW - Food contamination KW - Congresses KW - Food law and legislation N1 - 'Organized by the Toxicology Study Section, U.S. Public Health Service, in cooperation with the Biology Department, University of Puerto Rico, Mayaguez.'; Summaries in Spanish ER -