Vilá-Rivera, Karina, Esther Jiménez-Encarnación, and Salvador Vilá-Pérez. “Pulmonary Hemorrhage in a Patient Initially Presenting With Discoid Lupus”. Puerto Rico Health Sciences Journal 32, no. 4 (November 22, 2013). Accessed November 3, 2025. https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/944.