title: Limitations of solvent fractionation methods for urinary and faecal porphyrins.
authors.affiliation: Department of Clinical Chemistry, Northwick Park Hospital, Harrow, UK.
authors.forename: A C
authors.initials: AC
authors.lastname: Deacon
authors.forename: J A
authors.initials: JA
authors.lastname: Ledden
mesh_terms: D005591:Chemical Fractionation / Q000379:methods*; D002851:Chromatography, High Pressure Liquid; D005069:Evaluation Studies as Topic; D005243:Feces / Q000737:chemistry*; D006801:Humans; D006851:Hydrochloric Acid; D011164:Porphyrias / Q000175:diagnosis*; D011166:Porphyrins / Q000032:analysis* / Q000652:urine
chemical_list: D011166:Porphyrins; D006851:Hydrochloric Acid