
No endogenous ouabain is detectable in human plasma by ultra-sensitive UPLC-MS/MS
Keywords: استاندارد داخلی; EDLF, endogenous digitalis like factor; OLC, ouabain-like compound; EO, endogenous ouabain; ACTH, adrenocorticotropic hormone; LC-MS, liquid chromatography mass spectrometry; API, atmospheric pressure ionization; QC, quality control; IS, internal standard