Porphyria cutanea tarda in three brothers and one sister.
D005260:Female; D006680:HLA Antigens / Q000235:genetics; D006801:Humans; D008297:Male; D008875:Middle Aged; D010375:Pedigree; D011164:Porphyrias / Q000235:genetics*; D011166:Porphyrins / Q000652:urine; D012871:Skin Diseases / Q000235:genetics*; D014578:Uroporphyrins / Q000652:urine
D006680:HLA Antigens; D011166:Porphyrins; D014578:Uroporphyrins