title: Rapid and simplified extraction procedure for gas chromatographic--mass spectrometric profiling of urinary organic acids.
mesh_terms: D000143:Acids / Q000652:urine*; D000328:Adult; D002849:Chromatography, Gas; D003201:Computers; D006801:Humans; D008297:Male; D013058:Mass Spectrometry; D013997:Time Factors
chemical_list: D000143:Acids