Van Donkersgoed, J., Schumann, F. J., Harland, R. J., Potter, A. A., & Janzen, E. D. (1993). The effect of route and dosage of immunization on the serological response to a Pasteurella haemolytica and Haemophilus somnus vaccine in feedlot calves.

Van Donkersgoed, Joyce, Fritz J. Schumann, Richard J. Harland, Andrew A. Potter, and Eugene D. Janzen. The Effect of Route and Dosage of Immunization On the Serological Response to a Pasteurella Haemolytica and Haemophilus Somnus Vaccine in Feedlot Calves. 1993.

Van Donkersgoed, Joyce, et al. The Effect of Route and Dosage of Immunization On the Serological Response to a Pasteurella Haemolytica and Haemophilus Somnus Vaccine in Feedlot Calves. 1993.