Toro, Doris H., et al. “A Descriptive Study on the Population of Patients With Inflammatory Bowel Disease at the Veterans Affairs Caribbean Healthcare System in San Juan”. Puerto Rico Health Sciences Journal, vol. 39, no. 1, Mar. 2020, pp. 51-54, https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/1973.