title: Rapid method for the quantitative determination of porphyrin methyl esters by high-pressure liquid chromatography.
mesh_terms: D002851:Chromatography, High Pressure Liquid / Q000379:methods; D004952:Esters / Q000032:analysis; D005782:Gels; D008745:Methylation; D011166:Porphyrins / Q000032:analysis*; D012822:Silicon Dioxide; D013997:Time Factors
chemical_list: D004952:Esters; D005782:Gels; D011166:Porphyrins; D012822:Silicon Dioxide