Sample preparation for gas chromatography with solid-phase extraction and solid-phase microextraction.
Penton
Z E
ZE
Varian Chromatography Systems, Walnut Creek, California, USA.
D002849:Chromatography, Gas; D004785:Environmental Pollutants / Q000032:analysis; D006801:Humans; D013287:Illicit Drugs / Q000032:analysis; D013048:Specimen Handling / Q000379:methods*; D013739:Testosterone / Q000652:urine
D004785:Environmental Pollutants; D013287:Illicit Drugs; D013739:Testosterone