PsoriasisArthritis, RheumatoidSeverity of Illness IndexArthritisArthritis, PsoriaticArthritis, ExperimentalDermatologic AgentsArthritis, InfectiousUltraviolet TherapyArthritis, JuvenileLupus Erythematosus, CutaneousPUVA TherapyKeratolytic AgentsCommunity-Acquired InfectionsArthritis, ReactiveTreatment OutcomePneumoniaCoal TarSleep Initiation and Maintenance DisordersFournier GangreneDermatitis, AtopicQuestionnairesQuality of LifeJointsOintmentsProspective StudiesSkinSynovial MembraneRisk FactorsReproducibility of ResultsBody Mass IndexSynovial FluidRetrospective StudiesCohort StudiesPruritusPneumonia, BacterialCase-Control StudiesTime FactorsAdministration, TopicalCross-Sectional StudiesComputers, MainframeAnti-Inflammatory AgentsFollow-Up StudiesDouble-Blind MethodFecal IncontinenceHLA-C AntigensComorbidityPredictive Value of TestsTumor Necrosis Factor-alphaPsychometricsChronic DiseaseConfusionAntibodies, MonoclonalBiological MarkersRheumatoid FactorAcitretinPrevalencePrognosisArthritis, GoutyAnthralinMice, Inbred DBASubstance-Related DisordersArkansasKentuckyOsteoarthritisSynovitisMethotrexateBehavior, AddictiveEczemaAzabicyclo CompoundsStatistics, NonparametricHospitalizationCocaine-Related DisordersHealth Status IndicatorsOpioid-Related DisordersSensitivity and SpecificityNail DiseasesKeratinocytesROC CurveLogistic ModelsPsychiatric Status Rating ScalesGenetic Predisposition to DiseaseImmunosuppressive AgentsRisk AssessmentPain MeasurementImmunoglobulin GUnited StatesSubstance Abuse Treatment CentersAntirheumatic AgentsLongitudinal StudiesRegression AnalysisAntibodies, Monoclonal, HumanizedDisease Models, AnimalPilot ProjectsClobetasolHealth StatusAcute DiseaseDrug Therapy, CombinationAmphetamine-Related DisordersCollagen Type II