Analysis of the brainstem internal morphology of the capuchin monkey (Cebus apella) - Marques, Karina do Valle; Veras, Mariana Matera; Silva, Zenon; Oliveira, Flávia de; Silva, D. C. O; Prada, Irvênia Luiza de Santis; Liberti, Edson Aparecido (Brazilian Journal of Veterinary Research and Animal Science, 2010)