Historical issues concerning animal experimentation in the United States.
D000818:Animals; D000830:Animals, Laboratory; D004995:Ethics, Professional; D049672:History, 19th Century; D049673:History, 20th Century; D007886:Legislation, Veterinary / Q000266:history*; D012106:Research / Q000266:history*; D006113:United Kingdom; D014481:United States