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
On Jan. 1, 1957, a 1 1/2 year old domestic shorthair cat was admitted to Stange Memorial Clinic. History revealed that the patient had been coughing and sneezing since the latter part of December. Peculiar breathing had been noted since the cat had a fight with a dog 'about a year earlier.
"Diaphragmatic Hernia in a Cat,"
Iowa State University Veterinarian: Vol. 19
, Article 8.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol19/iss2/8