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
Rapid advances in research in basic pharmacology and the productivity of the pharmaceutical industry have resulted in the introduction of man new drugs for the veterinary profession. The availability of large numbers of drugs has stimulated their concomitant use with the hope that maximum therapeutic effectiveness will be achieved.
Eckhoff, Gary A.
Iowa State University Veterinarian: Vol. 36
, Article 3.
Available at: https://lib.dr.iastate.edu/iowastate_veterinarian/vol36/iss2/3