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 July 10, 1951 a 9-month-old Guernsey heifer was admitted to Stange Memorial Clinic with a bony growth located on the left mandible.
"Fracture with Sequestrum,"
Iowa State University Veterinarian: Vol. 14
, Article 15.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol14/iss1/15