Schøsler, L., K. Fogh, and R. Bech. “Pyoderma Gangrenosum: A Retrospective Study of Clinical Charac­teristics, Comorbidities, Response to Treatment and Mortality Related to Prednisone Dose”. Acta Dermato-Venereologica, vol. 101, no. 4, Apr. 2021, p. adv00431, doi:10.2340/00015555-3776.