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 6 year old Holstein cow was presented to Stange Memorial Clinic, Jan. 29, 1948 with a history of lameness in the right hind leg due to trauma which had occured 2 weeks previously. The patient, in poor condition, displayed extreme pain in locomotion and refused to bear weight on the affected leg.
Nelson, M. A.
"Suppurative Pododerniatitis in a Bovine,"
Iowa State University Veterinarian: Vol. 10
, Article 9.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol10/iss3/9