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 4 year old, neutered male Domestic Shorthaired cat. Vomited a trichobezoar (hairball) and food 2 nights ago. Repeated episodes of vomiting yesterday. Vomitus consisted of a clear to yellow fluid. The cat is strictly an indoor pet, plus access to the garage. FeLV negative. Four months overdue for annual vaccinations.
"What's Your Radiographic Diagnosis?,"
Iowa State University Veterinarian: Vol. 54
, Article 8.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol54/iss1/8