title: Biochemical diagnosis of the porphyrias.
mesh_terms: D002845:Chromatography; D002942:Circular Dichroism; D003937:Diagnosis, Differential; D004586:Electrophoresis; D006801:Humans; D011162:Porphobilinogen / Q000378:metabolism; D011164:Porphyrias / Q000175:diagnosis* / Q000378:metabolism; D011166:Porphyrins / Q000378:metabolism / Q000652:urine; D013054:Spectrophotometry, Atomic; D013057:Spectrum Analysis
chemical_list: D011166:Porphyrins; D011162:Porphobilinogen