1. US Department of Health and Human Services, Food and Drug Administration, Center for Drug Evaluation and Research, Center for Veterinary Medicine. Guidance for Industry: Bioanalytical Method Validation. May 2001.
2. Drug Importation Act, 9 Stat. 237 (26 June 1848).
3. Pure Food and Drugs Act, 34 Stat. 768 (30 June 1906).
4. Federal Food, Drug and Cosmetic (FDC) Act, United States Code (U.S.C.) Title 21, Chapter 9 (25 June 1938).
5. Kefauver-Harris Amendments, Public Law 87-781; 76 Stat. 788-89 (10 October 1962).