title: Deactivation of gas chromatographic systems for quantitative analysis of MO-TMS derivatives of steroids at the picogram level.
mesh_terms: D002849:Chromatography, Gas / Q000379:methods; D007202:Indicators and Reagents; D013058:Mass Spectrometry / Q000379:methods; D008832:Microchemistry; D012825:Silicon / Q000032:analysis*; D013256:Steroids / Q000032:analysis*; D013329:Structure-Activity Relationship; D014297:Trimethylsilyl Compounds / Q000032:analysis*
chemical_list: D007202:Indicators and Reagents; D013256:Steroids; D014297:Trimethylsilyl Compounds; D012825:Silicon