Coffman, M. C., C. B. Scott, C. J. Owens, and R. Brantley. “The Effects of Protein Supplementation on Bitterweed Toxicosis in Lambs”. Texas Journal of Agriculture and Natural Resources, vol. 28, Dec. 2015, pp. 18-26, https://txjanr.agintexas.org/index.php/txjanr/article/view/3.