Psoriasis flare‐up after AZD1222 and BNT162b2 COVID‐19 mRNA vaccines: report of twelve cases from a single centre. (4th February 2022) - Koumaki, D.; Krueger‐Krasagakis, S.‐E.; Papadakis, M.; Katoulis, A.C.; Gkiaouraki, I.; Zografaki, K.; Mylonakis, D.; Krasagakis, K.