Augustin, M., Reich, K., Glaeske, G., Schaefer, I., & Radtke, M. (2009). Co-morbidity and Age-related Prevalence of Psoriasis: Analysis of Health Insurance Data in Germany. Acta Dermato-Venereologica, 90(2), 147–151. https://doi.org/10.2340/00015555-0770