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