Source: United States Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS)
"Most countries examined for this assessment have laws far more protective of experimental animals than those in the United States. Despite these protections, animal welfare advocates have been applying considerable pressure for even stronger laws, and many countries, including Australia, Switzerland, West Germany, and the United Kingdom, are considering major changes." p. 377
American Anti-Vivisection Society
Center for Consumer Freedom (animal testing)
National Anti-vivisection Society
National Library of Medicine: The Flaws and Human Harms of Animal Experimentation
Normalising the Unthinkable: The Ethics of Using Animals in Research
People for the Ethical Treatment of Animals: The Research Modernization Deal NEW! October 2022
Physicians Committee for Responsible Medicine