1. Interagency Research Animal Committee. US Government Principles for the Utilization and Care of Vertebrate Animals Used in Testing, Research, and Training (US Department of Health and Human Services, Washington, DC, 1985).
2. Hampshire, V. A systematic process for physical examination in preclinical research. Lab Anim. (NY) 44, 89–90 (2015).
3. The National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research. Ethical Principles and Guidelines for the Protection of Human Subjects of Research (Department of Health and Human Services, Washington, DC, 18 April 1979).
4. Food and Drug Association. 21 CFR. Part 58. Good Laboratory Practice for Nonclinical Laboratory Studies.
5. Andrews, J.J., Van Alstine, W.G. & Schwartz, K.J. A basic approach to food animal necropsy. Vet. Clin. North Am. Food Anim. Pract. 2, 1–29 (1986).