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 Hereford cow was admitted to Stange Memorial Clinic on March 31, 1953, with a history of fluid in the abdomen, ten gallons of which had been removed one week previous. The cow had calved 3-4 weeks earlier and nursed the calf until coming to the clinic. Appetite was reported as good.
"Ventral hematocyst in a Bovine,"
Iowa State University Veterinarian: Vol. 15
, Article 10.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol15/iss3/10