Méndez-Bermúdez, Israel J., et al. “Characteristics Upon Presentation of Ocular Mucous Membrane Pemphigoid Patients in Puerto Rico”. Puerto Rico Health Sciences Journal, vol. 39, no. 1, Mar. 2020, pp. 34-38, https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/2118.