De Jesús-Monge, Wilfredo E., Esther A. Torres, Virgen M. Báez, Orlando De Jesús, Lumarie Rivera, and Carmen González-Keelan. “Crohn’s Disease Associated to Chordoma”. Puerto Rico Health Sciences Journal 23, no. 3 (December 27, 2010). Accessed November 28, 2025. https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/569.