we hereby describe the clinical manifestations , histologic changes , porphyrin profiles , and erythrocyte uroporphyrinogen decarboxylase determinations of two additional patients , 9-year-old and 7-year-old siblings , that are consistent with those of nine previously reported patients with hepatoerythropoietic porphyria .
C0042085
uroporphyrinogen decarboxylase
C0162569
hepatoerythropoietic porphyria