Morter, R.L., Amututz, H.A. and Roussel, A.J. 1984. Prophylactic administration of hyperimmune serum when processing feedlot cattle. The Bovine Practitioner. 1984, 19 (Nov. 1984), 45–48. DOI:https://doi.org/10.21423/bovine-vol1984no19p45-48.