title: The enzymatic defect in porphyria cutanea tarda.
mesh_terms: D001706:Biopsy; D002262:Carboxy-Lyases / Q000378:metabolism*; D006680:HLA Antigens / Q000235:genetics; D006579:Heterozygote; D006801:Humans; D008099:Liver / Q000201:enzymology*; D011164:Porphyrias / Q000201:enzymology* / Q000235:genetics; D012871:Skin Diseases / Q000201:enzymology* / Q000235:genetics; D014575:Uroporphyrinogen Decarboxylase / Q000378:metabolism*
chemical_list: D006680:HLA Antigens; D002262:Carboxy-Lyases; D014575:Uroporphyrinogen Decarboxylase