Kristula, M. A., M.-E. Fecteau, B. I. Smith, S. Young, and S. C. Rankin. “Evaluation of the Risk of Transmitting Staphylococcus Aureus Strains Between Replacement Heifers through Commingling at a Heifer-Rearing Facility”. The Bovine Practitioner, vol. 43, no. 2, June 2009, pp. 75-83, doi:10.21423/bovine-vol43no2p75-83.