Coffey, Robert T. “Catalase, Cu/Zn- Superoxide Dismutase, Glutathione Peroxidase: Their Relationship to Oxygen Utilization in Cellular Physiology, Clinical and Subclinical Disease, Nutrition and Trace Element Utilization in Livestock”. The Bovine Practitioner, no. 23 (November 1, 1988): 138–143. Accessed July 31, 2024. https://bovine-ojs-tamu.tdl.org/bovine/article/view/1445.