PsoriasisDermatologic AgentsArthritis, PsoriaticPUVA TherapyUltraviolet TherapyCoal TarHLA-C AntigensAcitretinSkinAnthralinKeratolytic AgentsSeverity of Illness IndexKeratinocytesNail DiseasesClobetasolDermatologyPhototherapyEpidermisDermatitis, AtopicScalp DermatosesSkin DiseasesInterleukin-23Administration, TopicalDermatitis