Martins, T., A. Serrano, J. Machado, C. Fernandes, and F. Maltez. “Extensive Panniculitis of the Abdominal Wall. An Unusual Presentation of Sarcoidosis”. Internal Medicine, vol. 16, no. 3, Sept. 2009, pp. 161-3, https://revista.spmi.pt/index.php/rpmi/article/view/1414.