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
Veterinarians, whether in mixed or exclusive small animal practice, are often called upon for advice concerning dogs showing paralysis, paresis, (partial paralysis) or paraplegia (complete paralysis) caused by protrusion of the nucleus pulposus.
"Intervertebral Disc Syndrom,"
Iowa State University Veterinarian: Vol. 22
, Article 5.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol22/iss1/5