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 April 8, 1960, an 8-month old Saint Bernard female was admitted to the clinic with a history of incoordination of the hind limbs since March. The incoordination had become increasingly worse.
"Congenital Hip Dysplasia,"
Iowa State University Veterinarian: Vol. 23
, Article 12.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol23/iss1/12