Urine ratio of tetrahydrocortisol to tetrahydrodeoxycortisol to screen for the systemic administration of cortisone and hydrocortisone
Keywords: طیف سنجی جرم کروماتوگرافی گاز (GC-MS); Hydrocortisone; Cortisone; Tetrahydrocortisol to tetrahydrodeoxycortisol (THF/THS); Gas chromatography-mass spectrometry (GC-MS); Isotope ratio mass spectrometry (IRMS); Acetylated derivatives;