Paz, Regina Celia Rodrigues da, Rodrigo Hidalgo Friciello Teixeira, and Marcelo Alcindo de Barros Vaz Guimarães. 2006. “Semen Characteristics Evaluation in Capuchin Monkey (Cebus Apella) in Captivity, before and After Bilateral Vasectomy”. Brazilian Journal of Veterinary Research and Animal Science 43 (4): 561-67. https://doi.org/10.11606/issn.1678-4456.bjvras.2006.26473.