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
Streptococcus equisimilis was isolated from vaginal swabs, aborted fetuses, and uterus of a sacrificed gilt submitted to the Iowa Veterinary Diagnostic Laboratory (IVDL) by a Marshall County farmer.
Doty, M. K. and Vorhies, M. W.
"The Role of Streptococcus equisimilis in Swine Infertility, Fetal Death, and Abortion,"
Iowa State University Veterinarian: Vol. 33
, Article 10.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol33/iss2/10