Kleinhenz, M. D.; Miller, B. E.; Zuidhof, S.; Gorden, P. J. Comparison of Milk Production Changes in Adult Holstein Cows Vaccinated With a 5-Way Modified-Live Virus Vaccine Containing a Mannheimia Haemolytica Toxoid Versus a 5-Way Modified-Live Virus Vaccine Containing a 5-Way Leptospira Bacterin. Bov. pract. 2014, 48, 139-142.