Galasso, Domenico, Salvatore Mazzuca, and Norma Marigliano. “Algorithm for the Diagnosis of Scleroderma. Early Systemic Sclerosis: Definitions and Diagnostic Criteria”. Italian Journal of Medicine 4, no. 3 (April 30, 2013): 167–172. Accessed April 27, 2024. https://www.italjmed.org/ijm/article/view/itjm.2010.167.