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 Feb. 8, 1954, a 4-year-old English Shepherd male dog was admitted to the Stange Memorial Clinic. The history revealed that two weeks previously the owner had noticed that the dog was sensitive in the flank area and over the sacral region. An examination at that time revealed that an elastrator band had been placed about the base of the scrotum at some time previously. When it became apparent that the scrotum was not going to slough the dog was referred to the clinic.
"Traumatic Orchitis and Scrotitis,"
Iowa State University Veterinarian: Vol. 16
, Article 5.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol16/iss3/5