Chinchilla, M., E. Portilla, and O. M. Guerrero. “Rat Macrophage Activity Against <i>Toxoplasma gondii</i> Studied by Electron Microscopy”. Revista De Biología Tropical, vol. 34, no. 1, June 1986, pp. 83–88, https://archivo.revistas.ucr.ac.cr/index.php/rbt/article/view/24379.