Capik, S.F., Moberly, H.K. and Larson, R.L. 2021. Systematic review of vaccine efficacy against Mannheimia haemolytica, Pasteurella multocida, and Histophilus somni in North American cattle. The Bovine Practitioner. 55, 2 (Dec. 2021), 125–133. DOI:https://doi.org/10.21423/bovine-vol55no2p125-133.