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 9-month-old female Chinchilla was admitted to Stange Memorial Clinic, Friday, Feb. 12, 1951, with a history of constipation.
Mattison, J. R.
"Intestinal Obstruction in a Chinchilla,"
Iowa State University Veterinarian: Vol. 13
, Article 20.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol13/iss3/20