Vega Torres, Rafael A., José G. Conde, and Miriam Diaz. “Prevalence of Tuberculin Reactivity and Risk Factors for the Development of Active Tuberculosis Upon Admission to a Nursing Home”. Puerto Rico Health Sciences Journal 15, no. 4 (October 10, 2025): 275–277. Accessed December 19, 2025. https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/2518.