Haverinen, Suvi, Armi Vihervaara, Eliisa Löyttyniemi, Sirkku Peltonen, Leena Koulu, Kaisa Tasanen, and Laura Huilaja. 2020. “Validation of Psoriasis Diagnoses Recorded in Finnish Biobanks”. Acta Dermato-Venereologica 100 (17):1-2. https://doi.org/10.2340/00015555-3656.