Gonçalves, E. I., & Pinto, A. A. (1994). Efficiency test for foot and mouth disease vaccine. II. Relationship between the C Index in guinea pigs and the Mouse Protection Index. Brazilian Journal of Veterinary Research and Animal Science, 31(1), 31-34. https://doi.org/10.11606/issn.1678-4456.bjvras.1994.52046