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
In order that we may both have in mind the same thing during this paper it is probably well to set forth a brief description of inclusion bodies. In a broad biological sense the term applies to any formed mass of material, such as secretion granules and plastids, but it is not in this sense that the pathologist uses the term; for him it has come to mean those masses of material which are associated with virus diseases.
Lucas, Alfred M.
Iowa State University Veterinarian: Vol. 4
, Article 2.
Available at: https://lib.dr.iastate.edu/iowastate_veterinarian/vol4/iss1/2