Lamm, C. G., K. L. Bischoff, H. N. Erb, C. L. Guard, J. R. Hillebrandt, B. Thompson, and B. L. Njaa. “Trace Mineral Concentrations in Dairy Cattle With Rupture of Abdominal Artery Aneurysms”. The Bovine Practitioner, vol. 44, no. 1, Feb. 2010, pp. 36-40, doi:10.21423/bovine-vol44no1p36-40.