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Screening urine for exogenous testosterone by isotope ratio mass spectrometric analysis of one pregnanediol and two androstanediols

UrologyAndrologyFertilityDrug AnalysisExogenous TestosteroneMass SpectrometryGynecologyHormonal Male ContraceptionClinical ChemistryReproductive BiologyEndocrinologyMedicinePublic HealthSteroid MetabolismReproductive HormoneReproductive Endocrinology