title: A new precise and sensitive method for the assay of urine porphyrins using combined thin-layer chromatography and spectrophotofluorimetric analysis.
mesh_terms: D011232:Chemical Precipitation; D002855:Chromatography, Thin Layer; D004126:Dimethylformamide; D006801:Humans; D008722:Methods; D011164:Porphyrias / Q000652:urine; D011166:Porphyrins / Q000652:urine*; D012997:Solvents; D013050:Spectrometry, Fluorescence; D013627:Talc
chemical_list: D011166:Porphyrins; D012997:Solvents; D013627:Talc; D004126:Dimethylformamide