title: Analysis of urine and faecal porphyrins by HPLC coupled to an advanced automated sample processor.
mesh_terms: D002851:Chromatography, High Pressure Liquid; D005243:Feces / Q000032:analysis*; D006801:Humans; D011166:Porphyrins / Q000378:metabolism / Q000652:urine*; D013056:Spectrophotometry, Ultraviolet
chemical_list: D011166:Porphyrins