Paz RCR da, Teixeira RHF, Guimarães MA de BV. Semen characteristics evaluation in capuchin monkey (Cebus apella) in captivity, before and after bilateral vasectomy. Braz. J. Vet. Res. Anim. Sci. 2006;43(4):561-567. doi:10.11606/issn.1678-4456.bjvras.2006.26473