Sharma O, Papanikolaou I. Lupus pernio: a tale of four characters in search of a malady. Sarcoidosis Vasc Diffuse Lung Dis [Internet]. 2009 Dec. 1 [cited 2025 Aug. 21];26(2):167-71. Available from: https://mail.mattioli1885journals.com/index.php/sarcoidosis/article/view/2604