Stoltenow, Charles, Victor S. Cortese, Jon T. Seeger, Gerald S. Stokka, and Daniel Weigel. 2011. “Immunologic Responses of Beef Calves to Concurrent Application of Modified-Live Viral Vaccine (intranasal and Systemic Administration) and Systemically Administered Mannheimia Haemolytica Bacterin-Leukotoxoid”. The Bovine Practitioner 45 (2):132-38. https://doi.org/10.21423/bovine-vol45no2p132-138.