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 2- year-old Angus bull was referred to Stange Memorial Clinic on Dec. 24, 1949, with a history of having been bloated for the past six days. He had been unsuccessfully treated on the farm with mineral oil and antiferments.
Gillespie, R. L.
"Habitual Bloat in a Bull,"
Iowa State University Veterinarian: Vol. 12
, Article 14.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol12/iss2/14