Mancini, D. A. P., Geraldes, E. A., & Pinto, J. R. (1991). Seroconversion in horses vaccinated with inactivated equine influenza vaccines. Brazilian Journal of Veterinary Research and Animal Science, 28(2), 171-177. https://doi.org/10.11606/issn.1678-4456.bjvras.1991.51935