Calic, S. B., C. M. B. M. da Rocha, F. R. P. Bruhn, R. A. Barros, and R. C. Leite. “Factors Associated to Cases of Brazilian Spotted Fever, Minas Gerais, 1995- 2002”. Brazilian Journal of Veterinary Medicine, vol. 37, no. 3, Oct. 2015, pp. 239-44, https://rbmv.org/BJVM/article/view/401.