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- The Psoriasis Symptom Inventory: An Effective Patient-reported Outcome Measure of Psoriasis Severity. http://www.jrheum.org/content/42/6/1034
Development of the Psoriasis Symptoms Scale (PSS) in patients with moderate to severe psoriasis: qualitative and quantitative analyses. https://www.ncbi.nlm.nih.gov/pubmed/31157576