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
A four-year-old female dog of mixed breeding was presented at the clinic on Jan. 15, 1951 with a history of having been irregularily off feed for about a month. She was also listless and seemed to be constipated.
"A Clinical Diagnosis of Diabetes Mellitus in a Dog,"
Iowa State University Veterinarian: Vol. 14
, Article 16.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol14/iss1/16