de Vasconcelos, Tassia Cristina Bello, et al. “Coccidiosis in Sporophila Maximiliani (Passeriformes: Emberizidae): Two Case Reports”. Brazilian Journal of Veterinary Medicine, vol. 34, no. 4, Dec. 2012, pp. 261-4, https://bjvm.org.br/BJVM/article/view/733.