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
Neoplasms originating from various tissue elements constitute a large and significant group of pathologic conditions in dogs and cats. There can be little doubt that neoplasia has attracted increasing interest on the part of veterinarians and pathologists.
Peter, C. P.
"Neoplastic Diseases of Dogs and Cats,"
Iowa State University Veterinarian: Vol. 29
, Article 2.
Available at: https://lib.dr.iastate.edu/iowastate_veterinarian/vol29/iss1/2