Porphyria Cutanea TardaPorphyriasUroporphyrinogen DecarboxylasePorphyrinsEdwardsiella tardaUroporphyrinogensPhlebotomySkin DiseasesBloodlettingPrecipitating FactorsPorphobilinogenUroporphyrinsHemochromatosisCoproporphyrinogensPorphyrias, HepaticPorphyria, Acute IntermittentPorphyria, ErythropoieticSkin ManifestationsPorphyria, VariegateCarboxy-LyasesPorphyrinogensSiderosisBiochemical PhenomenaHemoglobinometryIronIron OverloadFerritinsHydroxymethylbilane SynthaseLiverProtoporphyrinogen OxidasePedigreeErythrocytesMutationHepatitis C