Iowa State University Veterinarian Records, RS 22/6/0/9, University Archives, Special Collections Department, Iowa State University, http://www.add.lib.iastate.edu/spcl/arch/rgrp/22-6-0-9.html
The recent implementation of Public Law 89-544, "The Laboratory Animal Welfare Act," and the increasing importance of animal models in medical research have further extended and sophisticated the professional responsibilities of the veterinary profession.
Wagner, Joseph E. and Weber, Larry J.
"Educational Efforts in Laboratory Animal Medicine by Veterinary Medical Schools,"
Iowa State University Veterinarian: Vol. 30
, Article 6.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol30/iss2/6