Arunvipas, P., VanLeeuwen, J. A., Doohoo, I. R., Keefe, G. P., & Lissemore, K. D. (2006). Clinical trial to determine the productivity impact of milk urea nitrogen reports. The Bovine Practitioner, 40(2), 86–94. https://doi.org/10.21423/bovine-vol40no2p86-94