Branco, E. R., Guimarães, A., Miglino, M. A., Didio, L. J., Nurmberger Jr., R. and Souza, W. M. de (1997) “Anatomical study of the pineal gland in capybara (Hydrochoerus hydrochoeris)”, Brazilian Journal of Veterinary Research and Animal Science, 34(4), pp. 191-195. doi: 10.11606/issn.2318-3659.v34i4p191-195.