https://www.selleckchem.com/pr....oducts/TG100-115.htm
Urinary steroid profiling is commonly used in clinical routine for the diagnosis of steroid-related diseases through the analysis of absolute steroid excretion values as well as apparent enzyme activities based on catalysed product-to-precursor ratios. To compensate for diurnal fluctuations in steroid concentrations, 24 hour collections are preferred yet impractical and sometimes not feasible. We therefore measured 40 steroid metabolites by GC-MS in 24 hour and spot urine samples of healthy volunteers and systematically evaluated to w
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