title: Penicillin interference with the determination of delta-aminolevulinic acid.
mesh_terms: D000447:Aldehydes; D002648:Child; D002852:Chromatography, Ion Exchange; D005260:Female; D006801:Humans; D007202:Indicators and Reagents; D007659:Ketones; D007982:Levulinic Acids / Q000652:urine*; D008722:Methods; D010400:Penicillin G / Q000652:urine*; D013053:Spectrophotometry
chemical_list: D000447:Aldehydes; D007202:Indicators and Reagents; D007659:Ketones; D007982:Levulinic Acids; D010400:Penicillin G