“Prosthenorchis Elegans-Associated Pyogranulomatous Ileitis and Colitis in a Squirrel Monkey (Saimiri Oerstedii)”. Ciencias Veterinarias, vol. 26, no. 2, Sept. 2012, pp. 81-86, https://www.revistas.una.ac.cr/index.php/veterinaria/article/view/4768.