S. Knuutila, J. et al. 2020. Risk Factors and Prognosis for Metastatic Cutaneous Squamous Cell Carcinoma: A Cohort Study. Acta Dermato-Venereologica. 100, 16 (Sep. 2020), 1–9. DOI:https://doi.org/10.2340/00015555-3628.