Negrón, D. (2013) “The Contribution of Immunohistochemistry in the Diagnosis of Pediatric Neoplastic Lesions in the University of Puerto Rico, School of Medicine”, Puerto Rico Health Sciences Journal, 20(4). Available at: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/920 (Accessed: 19 December 2025).