Filho, Ruy Brayner de Oliveira, et al. “Prevalence of Campylobacter Fetus Subsp. Venerealis in Dairy Cows from Brejo Paraibano, Brazil”. Acta Scientiae Veterinariae, vol. 46, nº 1, janeiro de 2018, p. 7, doi:10.22456/1679-9216.81811.