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 7-year old, female, Tennessee Walker was admitted to Stange Memorial Clinic in late August. The owner had purchased the animal rather cheaply, knowing it was in poor condition and hoping that it could be restored to normal.
Hall, Rodney E.
"Removal of Pharyngeal Polyp in the Horse,"
Iowa State University Veterinarian: Vol. 20
, Article 9.
Available at: https://lib.dr.iastate.edu/iowastate_veterinarian/vol20/iss1/9