Bismarck, Luzia, Marina Coelho, Manuel Ribeiro, and Catarina Correia, trans. “COVID-19 As a Trigger for Lichen Planus: A Case Report”. Indian Journal of Case Reports 11, no. 4 (May 12, 2025): 160–162. Accessed December 5, 2025. https://mansapublishers.com/ijcr/article/view/5022.