EBV-positive mucocutaneous ulcer in a patient with systemic lupus erythematosus. (8th September 2019) - Ritter, Clarice Gabardo; de David Cruz, Camila; Zamboni, Sheron; Busato, Vanessa Barrili; da Silveira, Romulo Gomes; Provenzi, Valentina Oliveira; Bredemeier, Markus