Gomes, R.G. et al. 2012. Clinical and histopathological features of horn core carcinoma in a Nellore cow – case report. Semina: Ciências Agrárias. 33, 5 (out. 2012), 1931–1936. DOI:https://doi.org/10.5433/1679-0359.2012v33n5p1931.