[New simplified determination of porphyrins and its application].
D002855:Chromatography, Thin Layer / Q000379:methods*; D003306:Coproporphyrins / Q000302:isolation & purification / Q000652:urine*; D006801:Humans; D011166:Porphyrins / Q000652:urine*
D003306:Coproporphyrins; D011166:Porphyrins