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
"There is an old saying that whatever is worth doing at all is worth doing well. In no connection is this more true than in surgery. The necessity for a surgical operation can usually be realized by the owner of the animal, especially if it is some external condition.
Jensen, H. Perry
Iowa State University Veterinarian: Vol. 4
, Article 8.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol4/iss2/8