Measurement of exposure to xylenes by separate determination of m- and p-methylhippuric acids in urine.
D002849:Chromatography, Gas; D004781:Environmental Exposure; D006626:Hippurates / Q000652:urine*; D006801:Humans; D014992:Xylenes / Q000378:metabolism*
D006626:Hippurates; D014992:Xylenes; C031421:3-methylhippuric acid; C031422:4-methylhippuric acid