title: Extent of removal of sulfate and phosphate during the extraction step in the sigma enzymatic method for oxalate assay, as determined by ion chromatography.
authors.forename: R P
authors.initials: RP
authors.lastname: Singh
mesh_terms: D002852:Chromatography, Ion Exchange; D006801:Humans; D010070:Oxalates / Q000652:urine*; D019815:Oxalic Acid; D010710:Phosphates; D013431:Sulfates
chemical_list: D010070:Oxalates; D010710:Phosphates; D013431:Sulfates; D019815:Oxalic Acid