title: Magnetic circular dichroism spectroscopy. Convenient quantitative determination of uroporphyrin and coproporphyrin in urine samples.
mesh_terms: D002942:Circular Dichroism / Q000379:methods; D003306:Coproporphyrins / Q000652:urine*; D006801:Humans; D008280:Magnetics; D008433:Mathematics; D008832:Microchemistry; D011166:Porphyrins / Q000652:urine*; D013053:Spectrophotometry; D014578:Uroporphyrins / Q000652:urine*
chemical_list: D003306:Coproporphyrins; D011166:Porphyrins; D014578:Uroporphyrins