Detecting anabolic androgenic steroid misuse in those w/ the UGT2B17 gene deletion is hard. Authors report examining the urinary steroid profile & isotope ratio mass spectrometry markers can help, but detection windows are short. ๐Ÿงช ๐Ÿšซ๐Ÿ’Š
https://analyticalsciencejournals.onlinelibrary.wiley.com/doi/10.1002/dta.3846

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