title: [Chromatographic analysis of a hematoporphyrin derivative and its active fractions].
mesh_terms: D002850:Chromatography, Gel; D002851:Chromatography, High Pressure Liquid; D002855:Chromatography, Thin Layer; D006415:Hematoporphyrins / Q000032:analysis*
chemical_list: D006415:Hematoporphyrins