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Evaluation of uncertainty sources in the determination of testosterone in urine by calibration-based and isotope dilution quantification using ultra high performance liquid chromatography tandem mass spectrometry
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Direct quantification of morphine glucuronides and free morphine in urine by liquid chromatography-tandem mass spectrometry
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Detection and characterization of anabolic steroids in doping analysis by LC-MS
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Ionization of anabolic steroids by adduct formation in liquid chromatography electrospray mass spectrometry
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Development of a qualitative liquid chromatography/tandem mass spectrometric method for the detection of narcotics in urine relevant to doping analysis
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Presence of endogenous interferences in the urinary detection of selected anabolic steroids by liquid chromatography/electrospray tandem mass spectrometry
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Development and validation of a qualitative screening method for the detection of exogenous anabolic steroids in urine by liquid chromatography-tandem mass spectrometry