1. 1. United States Constitution. Article 1, Sec. 8; Amendment X.
2. 2. Department of Health, Education, and Welfare. Publication No. (NIH) 78-23. Revised1978 .
3. 3. PHS Manual. Chapter 1-43 on "Responsibility for Care and Use of Animals". Effective January 1, 1979 .
4. 4. U.S. Congress. The Animal Welfare Act. 1966 . PL89 -544 ; Vol. 7 U.S. Code 2131-2156.
5. 5. 7 U.S. Code 2143 (a).