U.S. Congress. Transportation, Sale, and Handling of Certain Animals. Vol. 7.; 1985. https://uscode.house.gov/view.xhtml?path=/prelim@title7/chapter54&edition=prelim.
William Moy Stratton Russell, Rex Leonard Burch. The Principles of Humane Experimental Technique. London: Methuen & Co, Ltd; 1959:238. http://books.google.com/books?id=j75qAAAAMAAJ.
David Grimm. Suffering in silence: Caring for research animals can take a severe mental toll. Science. 379(6636). https://www.science.org/content/article/suffering-silence-caring-research-animals-can-take-severe-mental-toll.
Michael W. Brunt, Daniel M. Weary. Public consultation in the evaluation of animal research protocols. PLOS ONE. 16(12):e0260114. doi:10.1371/journal.pone.0260114
US Food and Drug Administration. Animal Welfare, Testing and Research of FDA-Regulated Products. https://www.fda.gov/consumers/consumer-updates/animal-welfare-testing-and-research-fda-regulated-products.
US Food and Drug Administration. Guidance Document:Exploratory IND Studies. https://www.fda.gov/regulatory-information/search-fda-guidance-documents/exploratory-ind-studies.
Eric P. Sandgren, Robert Streiffer, Jennifer Dykema, Nadia Assad, Jackson Moberg. Attitudes toward animals, and how species and purpose affect animal research justifiability, among undergraduate students and faculty. PLOS ONE. 15(5):e0233204. doi:10.1371/journal.pone.0233204