title: The assay of phenylacetic acid and 4-phenylbutyric acid in physiological fluids.
authors.forename: F A
authors.initials: FA
authors.lastname: Hommes
mesh_terms: D002138:Calibration; D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods; D006801:Humans; D010648:Phenylacetates / Q000097:blood* / Q000652:urine*; D010654:Phenylbutyrates / Q000097:blood* / Q000652:urine*; D012016:Reference Values; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity
chemical_list: D010648:Phenylacetates; D010654:Phenylbutyrates; C075773:4-phenylbutyric acid; C025136:phenylacetic acid