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
Sterile instruments, a carefully prepared operative field, the necessary restraint, a knowledge of the technique for the particular operation, and proper aftercare are all important in the performance of successful teat surgery.
Arnold, J. P.
"Surgical Procedures of the Bovine Teat,"
Iowa State University Veterinarian: Vol. 22
, Article 1.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol22/iss1/1