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 six year old, female Toy Terrier was admitted to Stange Memorial Clinic on January 3, 1961. The dog had a history of a prolonged estrus prior to .admission. It was showing symptoms of anorexia, depression, dehydration and listlessness when it entered the clinic.
"Adenocarcinoma of the Ovary in a Toy Terrier,"
Iowa State University Veterinarian: Vol. 23
, Article 13.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol23/iss3/13