Santiago-Rolón, Amarilys, Dagmary Purcell, Kathia Rosado, and Doris H. Toro. 2015. “A Comparison of Brunt’s Criteria, the Non-Alcoholic Fatty Liver Disease Activity Score (NAS), and a Proposed NAS Scoring That Includes Fibrosis in Non-Alcoholic Fatty Liver Disease Staging”. Puerto Rico Health Sciences Journal 34 (4):189-94. https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/1198.