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
Lymphosarcoma is a major problem among some herds of dairy cattle across the United States. A C-type RNA virus has been isolated and is thought to be the incriminated agent that causes the adult form of lymphosarcoma.
Hinze, Ronald and Hull, Bruce
Iowa State University Veterinarian: Vol. 38
, Article 6.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol38/iss2/6