Nicholls, M. J., Black, L., Rweyemamu, M. M., Genovese, J., Ferrari, R., Hammant, C. A., . . . Umehara, O. (1984). The effect of maternally derived antibodies on the response of calves to vaccination against foot and mouth disease. Cambridge University Press.

Nicholls, M. J., L. Black, M. M. Rweyemamu, J. Genovese, R. Ferrari, C. A. Hammant, E. de Silva, e O. Umehara. The Effect of Maternally Derived Antibodies On the Response of Calves to Vaccination against Foot and Mouth Disease. Cambridge University Press, 1984.

Nicholls, M. J., et al. The Effect of Maternally Derived Antibodies On the Response of Calves to Vaccination against Foot and Mouth Disease. Cambridge University Press, 1984.