Dönmez, S., B. Kisacik, and Ö. Nuri Pamuk, et al. 2012. “Are Clinical Features in Löfgren’s Syndrome-Related Erythema Nodosum Different from Idiopathic Erythema Nodosum?”. Sarcoidosis, Vasculitis and Diffuse Lung Diseases 29 (2): 128-31. https://mattioli1885journals.com/index.php/sarcoidosis/article/view/2507.